DOKUMEN123.COM

is a minor or major contributor to speciation is the subject of much ongoing discussion. Rapid sympatric speciation can take place through polyploidy,...

Allopatric speciation (from Ancient Greek ἄλλος (állos) 'other' and πατρίς (patrís) 'fatherland') – also called geographic speciation, vicariant speciation, or...

Chronospecies Sympatric speciation Parapatric speciation Evidence for speciation by reinforcement Most recent common ancestor Hybrid speciation Wilson, Edward...

explains the derivation. Sympatric speciation is one of three traditional geographic modes of speciation. Allopatric speciation is the evolution of species caused...

Look up specie or in specie in Wiktionary, the free dictionary. Specie is synonymous with bullion coin, namely coins made of precious metals above a certain...

Speciation has been observed multiple times under both controlled laboratory conditions and in nature. In sexually reproducing organisms, speciation results...

Humans (Homo sapiens, meaning 'thinking man' or 'wise man') are the most abundant and widespread species of primates, characterized by bipedality, hairlessness...

distinct species sharing a common range exemplifies sympatric speciation. Such speciation may be a product of reproductive isolation — which prevents hybrid...

Ecological speciation is a form of speciation arising from reproductive isolation that occurs due to an ecological factor that reduces or eliminates gene...

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population. Since peripatric speciation resembles...

"stepping-stone" (discrete populations), and stasipatric speciation in concordance with most of the parapatric speciation literature. Henceforth, the models are subdivided...

Laboratory experiments of speciation have been conducted for all four modes of speciation: allopatric, peripatric, parapatric, and sympatric; and various...

periods. This isolation acts as a precursor to allochronic speciation, a type of speciation which results when two populations of a species become isolated...

process of speciation. This process of speciation influenced by natural selection is reinforcement, and can happen under any mode of speciation (e.g. geographic...

part of that century. Since then, research on speciation has expanded immensely. The language of speciation has grown more complex. Debate over classification...

Speciation of ions refers to the changing concentration of varying forms of an ion as the pH of the solution changes. The pH of a solution of a monoprotic...

whose geographic distributions overlap (sympatric speciation) or are separate (allopatric speciation). Pre-zygotic isolation mechanisms are the most economic...

it from the typical definition of ecological speciation: "It is useful to consider ecological speciation as its own form of species formation because...

The Specie Circular is a United States presidential executive order issued by President Andrew Jackson on 11 July 1836 pursuant to the Coinage Act of 1834...

Hybrid speciation is a form of speciation where hybridization between two different species leads to a new species, reproductively isolated from the parent...

G.; Franks, Nigel R. (July 1991). "Alternative adaptations, sympatric speciation and the evolution of parasitic, inquiline ants". Biological Journal of...

In biology, parallel speciation is a type of speciation where there is repeated evolution of reproductively isolating traits via the same mechanisms occurring...

in specie-deficient will attract spending from specie-rich countries, until price levels in both places equalize again. In practice, however, specie flows...

that drive sympatric speciation in natural populations. The pathways that lead from disruptive selection to sympatric speciation seldom are prone to deviation;...

30, 1949) is an American biologist and skeptic known for his work on speciation and his commentary on intelligent design. A professor emeritus of ecology...

Reinforcement is a process within speciation where natural selection increases the reproductive isolation between two populations of species by reducing...

stage after speciation in which the species were separated for a long time period without evolving morphological differences. Hybrid speciation can be a...

of evolution by natural selection as an explanation for adaptation and speciation. He defined natural selection as the "principle by which each slight variation...

Sub specie aeternitatis (Latin for "under the aspect of eternity") is, from Baruch Spinoza onwards, an honorific expression denoting what is considered...

groups, increasing homogeneity. Gene flow has been thought to constrain speciation and prevent range expansion by combining the gene pools of the groups...

isolation. Hybridization may be important in speciation in some plant groups. However, homoploid hybrid speciation (not increasing the number of sets of chromosomes)...

Red Shirts Mississippi Plan Clifton Riot of 1875 Yazoo City Riot of 1875 Specie Payment Resumption Act Whiskey Ring Wheeler Compromise Delano affair Pratt...

not statistically test their own null model of simple speciation before concluding that speciation was complex, and—even if the null model could be rejected—they...

An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular region. Endangered species...

poorly accounted for in the modern evolutionary synthesis. These include speciation, the evolution of sexual reproduction, the evolution of cooperation, the...

niches. Starting with a single ancestor, this process results in the speciation and phenotypic adaptation of an array of species exhibiting different...

can produce rapid changes in the genome. Saltational speciation, also known as abrupt speciation, is the discontinuity in a lineage that occurs through...

Allochronic speciation (also known as allochronic isolation, or temporal isolation) is a form of speciation (specifically ecological speciation) arising...

Bullion coin or specie refers to coin struck from bullion (namely, highly refined precious metal) and kept as a store of value or an investment rather...

heuristics may be employed to make the calculation faster or more robust. The speciation heuristic penalizes crossover between candidate solutions that are too...

Dezhong (2024-01-01), Qu, Ke; Dan, Dezhong (eds.), "Chapter 3 - Chemical speciation analysis", Environmental Analytical Chemistry, Elsevier, pp. 65–100,...

under Commodus damaged the credit market. In the mid-200s, the supply of specie contracted sharply. Conditions during the Crisis of the Third Century—such...

separation of populations of species into sets of new species (speciation). Speciation has been observed in the lab and in nature. Multiple forms of such...

such as the different species of Darwin's finches. The other process is speciation, in which new species arise, typically through reproductive isolation...

During speciation, one environment will favor a mutation in gene A (gene A1), producing a new species with genes A1 and B. Then in a separate speciation event...

Joint Expert Speciation System (JESS) is a package of computer software and data developed collaboratively at Murdoch University and elsewhere by researchers...

not statistically test their own null model of simple speciation before concluding that speciation was complex, and—even if the null model could be rejected—they...

with species, but most now accept that speciation can occur: not only is the evidence overwhelming for speciation, but the millions of species now in existence...

was a necessary precursor to speciation (allopatric speciation). The possibility that clines may be a precursor to speciation was therefore ignored, as they...

small, newly isolated populations with his shifting balance theory of speciation. Following after Wright, Ernst Mayr created many persuasive models to...

Chemosensory speciation (chemosensory isolation) is the evolution of a population to become distinct species that is driven by chemical stimuli (i.e.,...

speciation rate coupled with divergence of morphological features that are directly related to ecological habits; these radiations involve speciation...

significance of geographical variation is that it may lead to allopatric speciation, whereas true polymorphism takes place in panmictic populations. The term...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Historical linguistics, also known as diachronic linguistics, is the scientific study of how languages change over time. It seeks to understand the nature...

unequivocally demonstrated the process of speciation. A ring species is an alternative model to allopatric speciation, "illustrating how new species can arise...

formed in isolated populations only, as on islands, to an emphasis on speciation without isolation; that is, he saw increasing specialisation within large...

be seen in wide geographical distributions and may eventually lead to speciation. In evolutionary ecology, an ecotype, sometimes called ecospecies, describes...

evolution. According to Hautmann, speciation has both micro- and macroevolutionary aspects. Specifically, speciation also involves the classic process...

reproduction) at the level of individuals, and the positive correlation between speciation and extinction rates in most higher taxa. In 1973, Leigh Van Valen proposed...

attributed, in part, to coevolution, which caused specialisation and so speciation; where populations diverge into separate species. Both the strength of...

ancestor (LUCA) of all life on Earth. Common descent is an effect of speciation, in which multiple species derive from a single ancestral population....

species can lead to endemism in multiple ways. Allopatric speciation, or geographic speciation, is when two populations of a species become geographically...

underlying speciation. On a molecular genetics level, genetic divergence is due to changes in a small number of genes in a species, resulting in speciation. However...

Iron(III) sulfate or ferric sulfate (British English: sulphate instead of sulfate) is a family of inorganic compounds with the formula Fe2(SO4)3(H2O)n...

Review of In Situ Monitoring of Aquatic Systems: Chemical Analysis and Speciation from Barnes and Noble Archived 7 June 2011 at the Wayback Machine. Retrieved...

claimed to be analogous to the formation of different biological species (speciation). In the extreme, pseudospeciation leads to dehumanization of other cultural...

States Post Office Department). For the storage of letters, parcels and specie (bullion, coins and other valuables), 26,800 cubic feet (760 m3) of space...

usually be explained through a combination of historical factors such as: speciation, extinction, continental drift, and glaciation. Through observing the...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

punctuated by speciation and change occurred here. Eldredge suggests that these mass extinction events 'rather than driving speciation, simply increases...

ways. Variation observed within shark anatomy is a potential result of speciation and habitat variation. The five chordate synapomorphies are present in...

between closely related populations within a species, sometimes leading to speciation. Divergent evolution is typically exhibited when two populations become...

transferred to San Francisco, California, by his employer, the Yokohama Specie Bank. The rest of the family followed soon after, with Ono first meeting...

ProSpecieRara, the "Schweizerische Stiftung für die kulturhistorische und genetische Vielfalt von Pflanzen und Tieren" ("Swiss foundation for the cultural...

especially peripatric speciation as applied to the fossil record. Although the sudden appearance of species and its relationship to speciation was proposed and...

equivocal at best.[further explanation needed] Speciation by genetic drift is a specific case of peripatric speciation which in itself occurs in rare instances...

allopatric speciation, whereby species diverge according to different selection pressures in different geographical areas, or through sympatric speciation, by...

Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular...

highly prevalent in several fungal taxa. Indeed, homoploid speciation (hybrid speciation without a change in chromosome number) has been evidenced for...

rapid speciation that the scattered habitats make possible. When dealing with ponds and lakes, one might use the same basic models of speciation as when...

Koinophilia could explain both the horizontal and vertical manifestations of speciation, and why it, as a general rule, involves the entire external appearance...

patterns. Heliconius butterflies are models for the study of speciation. Hybrid speciation has been hypothesized to occur in this genus and may contribute...

goat' and πώγων (pṓgōn) 'beard'. Salsifies are one example where hybrid speciation has been observed. In the early 1900s, humans introduced three species...

the wild members of this genus evolved through sympatric or parapatric speciation, whereas the domestic cat evolved through artificial selection. The genome...

genetic nature of complex traits, the genetic basis of adaptation and speciation, the evolution of development, and patterns and processes underlying genomic...

Retrieved 6 September 2013. Anderson, MJ (1998). "Comparative Morphology and Speciation in Galagos". Folia Primatol. 69 (7): 325–331. doi:10.1159/000052721. S2CID 202649686...

Cospeciation is a form of coevolution in which the speciation of one species dictates speciation of another species and is most commonly studied in host-parasite...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

rates would have led to a gold outflow. Under the gold standards, price–specie flow mechanism countries that lost gold, but nevertheless wanted to maintain...

biologist Jürgen Haffer as an example of the "refugia" hypothesis of speciation. He suggested that the different species evolved from one common ancestor...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

have a good understanding of the origin of new species (speciation) and have observed the speciation process in the laboratory and in the wild. Evolution...

Neontology's fundamental basis relies on models of natural selection as well as speciation. Neontology's methods, when compared to evolutionary paleontology, have...

S2CID 21374702. Slabbekoorn H, Smith TB (April 2002). "Bird song, ecology and speciation". Philosophical Transactions of the Royal Society of London. Series B...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

in countries with lower interest rates. Under the gold standard's price–specie flow mechanism, countries that lost gold but nevertheless wanted to maintain...

Questa specie d'amore (aka, This Kind of Love) is a 1972 Italian drama film directed by Alberto Bevilacqua. It is based on the novel with the same name...

speciation rate among mammals, with one speciation event per lineage every 3 million years. However, not all primate species have a high speciation rate;...

The Chinese red pika (Ochotona erythrotis) is a species of mammal in the family Ochotonidae. Typical of a pika it has short limbs, a small tail and round...

affect speciation and extinction rates, and (b) strict-sense species selection, where species-level traits (e.g. geographical range) affect speciation and...

Morphological and Stratigraphic Evidence Support Subtle Evolution and Probable Speciation Within the North American Genus Tyrannosaurus". Evolutionary Biology....

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

adaptive radiation – allele – allele frequency – allochronic speciation – allopatric speciation – altruism – anagenesis – anti-predator adaptation – applications...

Glyoxal is an organic compound with the chemical formula OCHCHO. It is the smallest dialdehyde (a compound with two aldehyde groups). It is a crystalline...

paper money due to the suspension of specie payment in 1814 – the government received only $34 million worth of specie. Stephen Girard, the richest man in...

[ˈʁaɪçsˌtaːlɐ]; modern spelling Reichstaler), or more specifically the Reichsthaler specie, was a standard thaler silver coin introduced by the Holy Roman Empire in...

central and eastern Africa are an almost ideal model system for studying speciation and adaptation in plants. The mountains rise far above the surrounding...

Willow Creek Reservoir is a reservoir in Lewis and Clark County, Montana. The reservoir offers recreational opportunities and irrigational water. Willow...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

or above the level of species Speciation – Evolutionary process Natural speciation Allopatric speciation – Speciation that occurs between geographically...

increases with respect to the background extinction rate and the rate of speciation. Estimates of the number of major mass extinctions in the last 540 million...

The silver standard is a monetary system in which the standard economic unit of account is a fixed weight of silver. Silver was far more widespread than...

sets the stage for speciation. Nature, 574(7776), 99-102. Seehausen, O. (2006). Conservation: losing biodiversity by reverse speciation. Current Biology...

accurately determine its quality. Bullion is sometimes contrasted with specie, the latter being coin made of bullion (or synonymously, bullion coin)....

that the cost of minting coins far outweighed the benefits. Circulating specie would be virtually nonexistent in the Confederacy throughout the entirety...

Iniidae is a family of river dolphins containing one living genus, Inia, and four extinct genera. The living genus lives in the river basins of South America...

The Yokohama Specie Bank (横浜正金銀行, Yokohama Shōkin Ginkō; YSB) was a Japanese bank founded in Yokohama in 1880, which dominated the Japanese market for...

radiated speciation and rapid evolution in their native habitat of Malawi. In biology, the speciation seen in these fish is known as explosive speciation. Numerous...

"without the power to extend relief", it would continue to pay its debts in specie, and while it would not curtail public works, none would be added. In hopes...

Speciesism Speciesism (/ˈspiːʃiːˌzɪzəm, -siːˌzɪz-/) is a term used in philosophy and animal ethics for the treatment of individuals according to their...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

else, thus making it a precious biological resource for the study of speciation and evolution. The cichlids of the African Great Lakes, including Tanganyika...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

hybrid speciation, defined by whether the speciation event is associated with genome duplication (polyploidy) or not. Homoploid hybrid speciation is defined...

taken place about 20 times faster in mammals than in frogs, which means speciation is occurring more rapidly in mammals. According to genetic studies, the...

Reichsthaler specie or silver coin from 1566 until the Kipper und Wipper crisis of 1618, a thaler currency unit worth less than the Reichsthaler specie was first...

evolution, effectively illustrating topics such as island biogeography, speciation, and competition. Huxley further showed that the appearance of long-term...

Nonadaptive radiations are driven by nonecological speciation. In many cases, this nonecological speciation is allopatric, and the organisms are dispersal-limited...

Weidenfeld & Nicolson, 1979. Luchte, James. "Under the Aspect of Time ("sub specie temporis"): Heidegger, Wittgenstein, and the Place of the Nothing", Philosophy...

ultimately, speciation. Without genetic exchange, geographically and reproductively isolated populations may undergo genetic drift. Such speciation is most...

e.g. all globin protein), which are separated from each other after a speciation event, e.g. human beta and chimp beta globin. An orthologous gene is a...

The American green tree frog (Dryophytes cinereus or Hyla cinerea) is a common arboreal species of New World tree frog belonging to the family Hylidae...

and Playford, G., 2015. Triassic-Jurassic pteridosperms of Australasia: speciation, diversity and decline. Boletín Geológico y Minero, 126 (4): 689–722 Skog...

Retrieved 15 November 2021. "Il corbezzolo simbolo dell'Unità d'Italia. Una specie che resiste agli incendi" (in Italian). 3 October 2011. Archived from the...

isolated (as on islands). His theory of peripatric speciation (a more precise form of allopatric speciation which he advanced), based on his work on birds...

College. Retrieved 23 April 2023. Olsson, Shannon Bryn (2005). The scent of speciation – The chemosensory basis for behavioral divergence involved in sympatric...

value, but the scheme raised little money because Americans had little specie, and many of the richest merchants were supporters of the Crown. Beginning...

University of Cambridge Thesis Gene Flow in Natural Populations: From Panmixia to Speciation (2000) Website www.ucl.ac.uk/biosciences/people/francois-balloux...

best known for his research on the process of speciation, especially for his evidence of sympatric speciation in the apple maggot fruit fly, Rhagoletis pomonella...

desert) provides one possible explanation of the intermittent migration and speciation in the genus Homo. Based on archaeological and paleontological evidence...

Mastophora hutchinsoni, also known as the American bolas spider, is a species of orb weaver in the genus Mastophora. The genus is distributed extensively...

best oratory to that point; in it, he advocated a gradual resumption of specie payments, that is, the government paying out silver and gold, rather than...

speciation", a concept closely aligned with peripatric speciation, parapatric speciation and sympatric speciation. Clarkia biloba is an annual herb producing an...

tested two prominent models for the accumulation of islands of speciation, speciation with gene flow and linkage selection. Some of the expected patterns...

The rigsdaler specie was a unit of silver currency used in Norway from 1544, renamed as the speciedaler in 1816 and used until 1873. Norway used a common...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

The Specie Payment Resumption Act of January 14, 1875 was a law in the United States that restored the nation to the gold standard through the redemption...

perspective or seeing things sub specie totius (i.e., "from the perspective of the whole")—a phrase inspired by Spinoza's sub specie aeternitatis, roughly meaning...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Vigna angularis var. nipponensis, which is distributed across East Asia. Speciation between Vigna angularis var. nipponensis and Vigna angularis var. angularis...

to capture Santa Cruz de Tenerife, aiming to seize a large quantity of specie from the treasure ship Principe de Asturias, which was reported to have...

and mammoths. Through evolution, species arise through the process of speciation. Species become extinct when they are no longer able to survive in changing...

depict evolution because such diagrams effectively convey the concept that speciation occurs through the adaptive and semirandom splitting of lineages. The...

Wikidata Q37117560. Spencer, Hamish Gordon (1988). An investigation of the theories of speciation by founder effect (PhD). Harvard University. "Beyond Equilibria: Historical...

evolution and creation of new, unique species. This type of speciation is most often sympatric speciation: where two or more species are created from an existing...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

botanical name. Hopper published his early research on the systematics and speciation of the family Haemodoraceae, including kangaroo paws (Anigozanthos), which...

Anolis proboscis, commonly known as the horned anole, Ecuadorian horned anole or Pinocchio lizard, is a small anole lizard in the family Dactyloidae. A...

tariffs, but unlike ordinary dollars, they were not redeemable in gold. The Specie Payment Resumption Act of 1875 required the treasury to redeem any outstanding...

Micoletzkya is a genus of predatory bark-beetle-associated nematodes in the family Diplogastridae. The genus was named for the Austrian nematologist Heinrich...

hybridization, and co-evolution with host plants have probably contributed to speciation in the butterflies. Hall, J.P.W.; Robbins, R.K.; Harvey, D.J. (2004)....

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

sympathy for the Confederate cause. Morgan also profited in gold after specie payments were suspended in 1862; its price was largely pegged to the possibility...

C. (2014-12-07). "Aposematism increases acoustic diversification and speciation in poison frogs". Proceedings of the Royal Society B: Biological Sciences...

Studies in this branch of biology examine such phenomena as adaptation, speciation, and population structure. Population genetics was a vital ingredient...

Utraquists for they taught that the Eucharist was to be administered sub utraque specie ('in both kinds') to the laity. The most radical Hussites, called Taborites...

incompatibility with their diploid counterparts. An example would be the recent speciation of allopolyploid Spartina — S. anglica; the polyploid plant is so successful...

Phyletic gradualism is a model of evolution which theorizes that most speciation is slow, uniform and gradual. When evolution occurs in this mode, it is...

descendants have become a distinct species. It is the first example of speciation to be directly observed by scientists in the field. Subsequent genetic...

Duyet. 1837 – Panic of 1837: New York City banks suspend the payment of specie, triggering a national banking crisis and an economic depression whose severity...

Speciation, co-authored with Jerry Coyne, was hailed in Science as "exceedingly well-written and persuasive". They consider that studying speciation is...

Competition and Selective Extinction: How Biotic and Abiotic Drivers Shaped Speciation and Extinction Regimes in Carnivora". Evolution. 80 (5): 936–949. doi:10...

Meneganzin, A.; Stringer, C. (2024). "Homo sapiens, Neanderthals and speciation complexity in palaeoanthropology". Evolutionary Journal of the Linnean...

Coyne JA, Orr HA (2004). Speciation. Sunderland: Sinauer Associates, Inc. ISBN 978-0-87893-091-3. Haffer J (July 1969). "Speciation in amazonian forest birds"...

Duda TF (July 2008). "Did tectonic activity stimulate oligo-miocene speciation in the Indo-West Pacific?". Evolution; International Journal of Organic...

glacial maxima, Rising sea levels provided the isolation that led to speciation, then either a subsequent fall in sea level or oceanic dispersal by rafting...

emphasized the importance of allopatric speciation in the formation of new species. This form of speciation occurs when the geographical isolation of...

molecular data, calibrated against geological events that would have induced speciation, is that there are 2 major lineages of curassows: one containing only...

Hard money policies support a specie standard, usually gold or silver, typically implemented with representative money. In 1836, when President Andrew...

of the sockeye and the kokanee created a unique example of sympatric speciation that is relatively new in evolutionary terms. While they occupy the same...

and 1822. In October 1803, the U.S. Treasury had some $5.86 million in specie on hand, $2 million of which would be used to pay a portion of the debts...

Evoluzione della specie is the fifth studio album by Italian singer-songwriter Dolcenera, released on 17 May 2011 by EMI Music Italy. It was preceded by...

endemic to the Atlantic Ocean. It is the only confirmed case of hybrid speciation in marine mammals, descending from the spinner dolphin and the striped...

fingers, and the absence of a clear, visible line on the dorsal region. Speciation can be determined by its large size, by laying its eggs in lotic waters...

Riedel. Patterns and Processes of Speciation in Ancient Lakes: Proceedings of the Fourth Symposium on Speciation in Ancient Lakes, Berlin, Germany, September...

Magnesium stearate is a metal-organic compound, a salt of magnesium and stearic acid with the idealized chemical formula (C17H35CO2)2Mg. It is classified...

explanations for: populations changing over generations gradual change speciation natural selection common descent Since Darwin, evolution has become a...

2020. Retrieved 13 January 2021. Benton, M. J.; Pearson, P. N. (2001). "Speciation in the fossil record". Trends in Ecology and Evolution. 16 (7): 405–411...

River (around 1.5–2 million years ago) possibly led to the isolation and speciation of the bonobo. Bonobos live south of the river, and thereby were separated...

announced in October 1865 would be to make all the paper convertible into specie, if Congress so voted. The House of Representatives passed the Alley Resolution...

adapted to their local hosts, and may therefore be in a state of incipient speciation. Urgent conservation efforts are required as the survival of some intraspecific...

Mecaphesa celer, known generally as the swift crab spider, is a species of crab spider in the family Thomisidae. Its range is quite large, and it is found...

not statistically test their own null model of simple speciation before concluding that speciation was complex, and—even if the null model could be rejected—they...

Tamás Gajda, Glenn Hefter, Staffan Sjöberg, Hans Wanner (2005). "Chemical speciation of environmentally significant heavy metals with inorganic ligands. Part...

shown better leadership. Van Buren and Polk faced pressure to rescind the Specie Circular, Jackson's 1836 order that payment for government lands be in gold...

"Small islands and large biogeographic barriers have driven contrasting speciation patterns in Indo-Pacific sunbirds (Aves: Nectariniidae)". Zoological Journal...

subgenus seems likely to have been caused by intercontinental allopatric speciation along with that of their hosts. Malaria parasites of the lemurs are not...

caused more by a sharp increase in extinctions than by a decrease in speciation. Major spatial differences existed in calcareous nannoplankton diversity...

History of evolutionary thought On the Origin of Species Phylogenetics Speciation Taxonomy of commonly fossilised invertebrates Treatise on Invertebrate...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

colonize. These new conditions directly drove the speciation of the Tillandsioideae, and also drove the speciation of their animal pollinators, such as hummingbirds...

alongside the genera Schizomeria, Anodopetalum and Platylophus. Allopatric speciation is a process in which the population of a species is divided permanently...

been observed to have consequences, such as intersexual coevolution, speciation, and sexual dimorphism. Harassment is a technique used by males of many...

ancestry. Two segments of DNA can have shared ancestry because of either a speciation event (orthologs) or a duplication event (paralogs). Homology among proteins...

Yong-Chao; Chang, Yung-Hau; Smith, Deborah (2011), "Biogeography and speciation patterns of the golden orb spider genus Nephila (Araneae: Nephilidae)...

A serotype or serovar is a distinct variation within a species of bacteria or virus or among immune cells of different individuals. These microorganisms...

of genetic change and the consequent variation that often results in speciation, one of the most important types of radiation into taxonomic groups called...

suggest that speciation occurred before the evolution of mimicry, meaning mimicry was the result of speciation instead of the driver of speciation. However...

There are three major radiation events that mark diversification and speciation in the evolutionary history of Cetacea. The first occurred around the...

during embryological development. Hemipenes are also being used to study speciation among Squamata, especially in identifying cryptic diversity and understanding...

years ago, representing one of the most rapid events of adaptation and speciation. However, recent meta-analysis and large-scale genomic study have confirmed...

diversity, island biogeography most describes allopatric speciation. Allopatric speciation is where new gene pools arise out of natural selection in...

Gasteracantha fornicata (northern jewelled spider) is a species of spiny orb-weavers (family Araneidae) found in Queensland Australia. It is similar in...

shooting threatening their well-being. Falconry can further complicate the speciation and genetics of these Canary Islands falcons, as the practice promotes...

their hybrid origins. Diploid species formed through "primary hybrid speciation" when first-generation female hybrids of two distinct bisexual species...

1962 paper where he coined the term "Catastrophic Speciation" to describe this mode of speciation, since he theorized that the reductions in population...

growing trend in the world of elemental analysis has revolved around the speciation, or determination of oxidation state of certain metals such as chromium...

are well-understood to have originated from a process of allochronic speciation, in which species subpopulations that are isolated from one another in...

very distinct evolutionarily and are probably the result of allopatric speciation, their distribution later converging. Given that A. florea is more widely...

tenrec, can be found in the Madagascar dry deciduous forests. However, the speciation rate in this group has been higher in humid forests. All tenrecs are believed...

History of Research on Speciation" (PDF). In Howard, Daniel J.; Berlocher, Stewart H. (eds.). Endless Forms: Species and Speciation. New York, Oxford: Oxford...

Grant, B. Rosemary & Petren, Kenneth (2000). The allopatric phase of speciation: the sharp-beaked ground finch (Geospiza difficilis) on the Galápagos...

polymorphisms across different speciation events can cause incomplete lineage sorting. Suppose two subsequent speciation events occur where an ancestor...

Red Shirts Mississippi Plan Clifton Riot of 1875 Yazoo City Riot of 1875 Specie Payment Resumption Act Whiskey Ring Wheeler Compromise Delano affair Pratt...

(collared flycatcher) are speciating from each other, providing evidence for speciation by reinforcement (selection against hybrid). The two species diverged...

pH. The reduction potential (pe) of a solution also affects arsenate speciation. In natural waters, the dissolved oxygen content is the main factor influencing...

Bank War pet banks Nullification crisis "King Andrew the First" Censure Specie Circular Attempted assassination Texas Revolution Panic of 1837 Judicial...

vede nei nemici (in atto o potenziali) dei propri nemici i propri amici, specie se essi hanno già dato prova – e questo era appunto il caso della Germania...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

can be thought of as having been 'duplicated' via speciation. As a result of duplication by speciation, a gene family might include 15 genes, one copy in...

original on 29 October 2022. Retrieved 29 October 2022. Sicilia, flora e fauna-Specie vegetali e animali in Sicilia Archived 7 April 2022 at the Wayback Machine...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Microlophus occipitalis, colloquially known as the knobbed Pacific iguana, is a lizard included within the Tropiduridae family. It is a member of the Microlophus...

Loch Arkaig, sometimes known as the Jacobite gold, was a large amount of specie provided by Spain to finance the Jacobite rising in Scotland in 1745, and...

the ruler to redeem them later for some other object of value, usually specie. The issue of credit notes was often for a limited duration, and at some...

of speciation in biological evolution. The biological parallel to revolutionary change is not mutation, as I thought for many years, but speciation. And...

number of speciation and extinction events in a given time interval, and then use these data to calculate per-lineage rates of speciation and extinction...

and produced a massive influx of South American silver. This abundance of specie re-monetized the Ming economy, whose paper money had suffered repeated hyperinflation...

the subsequent generation. The Big Bird lineage occurred through hybrid speciation between Daphne Major G. fortis and an immigrant G. conirostris. The group...

Gnerre, S.; Lander, E. S.; Reich, D. (2006). "Genetic evidence for complex speciation of humans and chimpanzees". Nature. 441 (7097): 1103–1108. Bibcode:2006Natur...

Rhodocene is a chemical compound with the formula [Rh(C5H5)2]. Each molecule contains an atom of rhodium bound between two planar aromatic systems of five...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

evolving species over time. The second process, speciation, is closely associated with cladogenesis. Speciation includes the actual separation of lineages...

approach provides the actual metal speciation instead of the current practice of chemical equilibrium speciation. This kinetic based is expected to promote...

higher carrying capacity also have more genetic diversity, which promotes speciation. Oceanic islands, ones that have never been connected to shore, are only...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

diversity was the result of higher speciation rates in the tropics; however studies from the 2000s found higher speciation rates in the high latitudes that...

tropics as the geographic areas exhibiting the highest speciation rates (i.e., number of speciation events per million years) on Earth. Genome duplication...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Phrynocephalus vlangalii, also known as the Qinghai toad-headed agama, the Ching Hai toadhead agama, the Pylzow's toadhead agama, or gecko toadhead agama...

periods, has been linked to expansions of the Aterian populations and the speciation of insect species. Such humid periods are usually associated with interglacials...

A phylogenetic network, the result when hybrid speciation, introgression and paraphyletic speciation is applied to a phylogenetic tree Reticulated water...

Haffer in 1969 with his article Speciation of Amazonian Forest Birds. Haffer proposed the explanation for speciation was the product of rainforest patches...

The price–specie flow mechanism is a model developed by Scottish economist David Hume (1711–1776) to illustrate how trade imbalances can self-correct and...

the term, macroevolution means evolution at or above the species level. Speciation has been observed and documented. Published as Isaak 2007, pp. 87–88 Dawkins...

selection Phyletic gradualism Punctuated equilibrium Phylogenetic tree Speciation History History of paleontology List of years in paleontology Applications...

(Ruba al prossimo tuo, 1968), L'Alibi (1969), This Kind of Love (Questa specie d'amore, 1972), Winged Devils (Forza "G", 1972), and Fiorina la vacca (1972)...

related species, H. melpomene has been the subject of extensive study on speciation and hybridization. These hybrids tend to have low fitness as they look...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

phylogeography of this group has been proposed, providing an example of various speciation mechanisms at work. In this scenario, ancestors of this group became isolated...

experiment, they can be used to calculate the concentrations, known as the speciation, of mixtures that contain the relevant species. There are five main types...

The Yokohama Specie Bank Building is a seven-story building in The Bund, Shanghai, China; previously it was a branch of Yokohama Specie Bank. It is now...

determines the speciation of the heavy metal, which is critical for solubility in the aqueous phase. The following graphs show the speciation of heavy metals...

species almost as large if not larger than R. giganticus that shows speciations towards herbivory, comparable to those of modern ungulates. Zhelestidae...

similar. Since EcoSim has the capacity to allow speciation events to occur, it is possible to track speciation events throughout a run of the simulation and...

evidence suggesting that Ordovician brachiopods maintained elevated rates of speciation. Molluscs, which appeared during the Cambrian or even the Ediacaran, became...

apparently was also the first to recognise the potential for CI-induced speciation and population control. The first mathematical model uncovering the population...

members, thereby giving rise to reproductive isolation and undergoing speciation. Discovered by the research team of Peter and Rosemary Grant, the formation...

characterizes speciation. Darwin discussed the inheritance of similar mutant features but did not invoke them as a requirement of speciation. Instead Darwin...

occurs soon after hybridization. Similarly, homoploid speciation contrasts with polyploid speciation. Zygoidy is the state in which the chromosomes are paired...

pH 2.5 to 7.5. Calculation of the pH with a polyprotic acid requires a speciation calculation to be performed. In the case of citric acid, this entails...

by Paul Johnsgard, Vol. 5. Monteiro, L. R., & Furness, R. W. (1998). Speciation through temporal segregation of Madeiran storm petrel (Oceanodroma castro)...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

force and efficiency. Porto, de Oliveira & Fiedler (2025) study changes speciation and extinction rates and changes of body mass of felids throughout their...

Z. (2000). "Chromium occurrence in the environment and methods of its speciation". Environmental Pollution. 107 (3): 263–283. Bibcode:2000EPoll.107..263K...

"War Finance in England; The Bank Restriction Act of 1797—Suspension of Specie Payments for Twenty-four Years—How to Prevent Depreciation of the Currency"...

newly isolated, smaller populations, population fission is a precursor to speciation. Cytokinesis – Final stage of cell division Cytoskeleton – Network of...

(HSBC), National City Bank (Citibank), Deutsch-Asiatische Bank and Yokohama Specie Bank opened branches in the Legation Quarter. The building of railroads...

studies speciation and adaptation in periwinkles (Littorina). His work has contributed greatly to our current understanding of Ecological speciation. "What...

Early modern human, or anatomically modern human, are terms used to distinguish Homo sapiens (the only extant Hominina species) that are anatomically consistent...

Recent paleogenetic discoveries show that tuataras are prone to quick speciation. The most recent order of reptiles, squamates, are recognized by having...

Retrieved May 13, 2026. Systema Dipterorum. Pape T. & Thompson F.C. (eds), 2011-01-06 "Ablabesmyia specie". Catalogue of Life. Retrieved 2024-01-04....

Macroevolution Microevolution Mutation Natural selection Phylogenetics Speciation Taxonomy Diversity Archaea Bacteria Eukaryote Alga Animal Fungus Plant...

timescales. Sterile water samples have been observed to be less susceptible to speciation changes than non-sterile samples. Oremland found that the reduction of...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Haldane's rule is an observation about the early stage of speciation, formulated in 1922 by the British evolutionary biologist J. B. S. Haldane, that states...

necessarily translate into ecological speciation with genetic barriers between species. The likelihood of such speciation increases when floral mutations and...

the cause of speciation, sister species should exist on opposing shores more frequently than expected by chance. River barrier speciation occurs when a...

Theridion grallator, also known as the Hawaiian happy-face spider, is a spider in the family Theridiidae that resides on the Hawaiian Islands. T. grallator...

diffusion of concepts, peoples, philosophies, technologies, religions, specie, and various domesticate variants of crops and livestock across the Old...

the Wallace effect), a way that natural selection could contribute to speciation by encouraging the development of barriers against hybridisation. In 1864...

"Speciation in the Genus crinia (Anura: Myobatrachidae) in Southern Australia: A Phylogenetic Analysis of Allozyme Data Supporting Endemic Speciation in...

poorly accounted for in the modern evolutionary synthesis. These include speciation, the evolution of sexual reproduction, the evolution of cooperation, the...

behaviour and ecology such as the definition of species, the process of speciation, instinct, learning, ecological niches, guilds, insular biogeography,...

"Genomic DNA Sequences from Mastodon and Woolly Mammoth Reveal Deep Speciation of Forest and Savanna Elephants". PLOS Biology. 8 (12) e1000564. doi:10...

vagrancy). Vagrancy events may lead to colonisation and eventually to speciation. In the Northern Hemisphere, adult birds (possibly inexperienced younger...

have isolated ecosystems and thus promoted a high degree of endemism and speciation. The region includes two centres of endemism: the Annamite Mountains and...

have demonstrated the reaction pH (and subsequently the boronic acid speciation) to be an important factor in understanding the modes of protodeboronation...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

property which was promptly leased back to the company. The dividend in specie was paid just before a 10% rise in dividend tax and Hunt was not required...

through scientific knowledge to philosophical intuition of all things sub specie æternitatis, while Maimonides holds that the road to perfection and immortality...

specificity. Therefore, there is no generally accredited mechanisms on the speciation of figs and their pollinators. However, it has been suggested that hybridization...

original form. The phylogeography of this group provides examples of various speciation mechanisms at work. In this scenario ancestors of this group became isolated...

PMC 21200. PMID 9671802. Provine, W. B. (2004). "Ernst Mayr: Genetics and speciation". Genetics. 167 (3): 1041–6. doi:10.1093/genetics/167.3.1041. PMC 1470966...

endemics on tepuis represent relict fauna and flora that underwent vicariant speciation when the plateau became fragmented over geological time. However, recent...

lineage in a phylogenetic tree does not split. To determine whether a speciation event is cladogenesis or anagenesis, researchers may use simulation, evidence...

a major driving force behind the processes in evolution which produce speciation. In evolutionary theory, the court jester hypothesis contrasts the Red...

fruits from which all other citrus types developed through natural hybrid speciation or artificial hybridization. Though citron cultivars take on a wide variety...

(September 2015). "The origin of the critically endangered Iberian lynx: Speciation, diet and adaptive changes". Quaternary Science Reviews. 123: 247–253...

two evolutionary lineages. Reticulation affects survival, fitness and speciation rates of species.   Reticulate evolution can happen between lineages separated...

members of the order Proboscidea which, through the process of allopatric speciation on islands, evolved much smaller body sizes (around 1–2.3 metres (3 ft...

studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. Evolutionary research is...

Synchronous spawning may form hybrids and is perhaps involved in coral speciation. Butterflies spend much time searching for mates. When the male spots...

Environment 304.1 (2003): 153-167 Ganguli, Priya M., et al. "Mercury speciation in drainage from the New Idria mercury mine, California." Environmental...

about an extension of the modern synthesis based on new research from speciation. In the 1980s, entomologist Ryuichi Matsuda coined the term "pan-environmentalism"...

by glacial expansion. These findings were the first evidence of hybrid speciation from ancient DNA. The study also found that genetic adaptations to cold...

North America may have caused allopatric speciation in the genus. It is widely agreed that this speciation constitutes an adaptive radiation, though...

(biology) Animal Genetic Resources for Food and Agriculture Hybrid speciation – Form of speciation involving hybridization between two different species "Breeds:German...

Are there traces of population structure (subpopulations) preceding the speciation or partial admixture succeeding it? What were the specific events (including...

gold coin, originally representing a value of 20 shillings in sterling specie, equal to one pound, but rises in the price of gold relative to silver caused...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Homo Ludens is a book originally published in Dutch in 1938 by Dutch historian and cultural theorist Johan Huizinga. It discusses the importance of the...

authors list (link) Systema Dipterorum. Pape T. & Thompson F.C. (eds), 2011-01-06 "Ablabesmyia specie". Catalogue of Life. Retrieved 2024-01-04. v t e...

A fixed exchange rate, often called a pegged exchange rate or pegging, is a type of exchange rate regime in which a currency's value is fixed, or pegged...

Vincent A. (2000). "Quantitative Determination of Sodium Metatungstate Speciation by 183W N.M.R. Spectroscopy". Australian Journal of Chemistry. 53 (12):...

Bank War pet banks Nullification crisis "King Andrew the First" Censure Specie Circular Attempted assassination Texas Revolution Panic of 1837 Judicial...

it facilitated loans of gold or silver at interest, since the underlying specie (money in the form of gold or silver coins rather than notes) never left...

"Outdoor charcoal grilling: Particulate and gas-phase emissions, organic speciation and ecotoxicological assessment". Atmospheric Environment. 285 119240...

Utraquism (from the Latin sub utraque specie, meaning "under both kinds"), also called Calixtinism (from chalice; Latin: calix, borrowed from Greek kalyx...

York Safety Fund System, 1829–1842 Bank War, 1832–1836 Coinage Act of 1834 Specie Circular Civil War Era (1840–1870) Wildcat banking (1836–1865) Forstall...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

continental drift. Trilobites have been important in estimating the rate of speciation during the period known as the Cambrian explosion because they are the...

of the breaking up of Pangaea, resulted in an increase in allopatric speciation, which led to an increased biodiversity. These smaller landmasses, while...

A tension zone is a transitional zone between two distinctive zones, the zones may be influenced by climatic factors, and geological variation. creating...

"Host races in plant–feeding insects and their importance in sympatric speciation". Philosophical Transactions of the Royal Society of London. Series B:...

intervals in history in a way consistent with scientific explanations of speciation, with similarities to the ideas of progressive creationism that God created...

their wing length is close to 14.5 cm. The white-capped fruit dove had a speciation event including a closely related species named the Red-moustached Fruit...

make each population genetically unique (that could eventually lead to speciation events or extirpation). However, if the separating factor is removed before...

populations of side-blotched lizard in the United States and Mexico. However, speciation has resulted from the formation of reproductive isolation between populations...

river barriers, correlating with vocal and plumage differences. Other speciation mechanisms may be involved for sympatric species pairs. First-generation...

Kelley; Xiong, Zijun; et al. (2014). "Population genomics reveal recent speciation and rapid evolutionary adaptation in Polar Bears". Cell. 157 (4): 785–794...

Theologico-Politicus. Elsewhere, Wittgenstein borrowed the expression sub specie aeternitatis from Spinoza (Notebooks, 1914–16, p. 83). The structure of...

could play a key role in speciation. However, his insistence that what later came to be called peripatric and allopatric speciation, not natural selection...

World, including Mexico, Peru, Bolivia and the rest of the Spanish Empire. Specie flowed through Spain increasing its prices and those of allied European...

by mixed tree–C4 grass savannas. Evidence indicating that patterns of speciation and extinction of members of the genus Homo differed from those of other...

in the development of the fields of molecular ecology, phylogeography, speciation and hybridisation. Hewitt was born in Worcester UK in 1940 and attended...

require genetic information from their parental germ cells, and at every speciation event, heritable traits that have enabled its ancestor to survive and...

pools to diverge before the onset of human intervention, resulting in speciation. It remains controversial whether sufficient morphological and genetic...

autosomal chromosome. Pleiotropic genes act as an arbitrating force in speciation. William R. Rice and Ellen E. Hostert (1993) conclude that the observed...

America (although no colonizations have been detected thus far). Allopatric speciation Biological dispersal Panspermia Mittermeier, R.A.; et al. (2006). Lemurs...

Red Shirts Mississippi Plan Clifton Riot of 1875 Yazoo City Riot of 1875 Specie Payment Resumption Act Whiskey Ring Wheeler Compromise Delano affair Pratt...

rapid speciation events early in its history, and most genetic divergence between species is due to substitutions within the clade. Speciation within...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

of biological processes, ranging from genome size and architecture to speciation. Observations of what is now referred to as selfish genetic elements go...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

forsteriana probably evolved from a common ancestor through sympatric speciation. The canopy of a mature kentia palm tree spreads 5–10 ft (2–3 m) in diameter...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Heliconius elevatus Nöldner, 1901 Heliconius elevatus resulted from hybrid speciation involving the parent species Heliconius pardalinus and Heliconius melpomene...

Lloyd's also covers specialist risks, including kidnap and ransom, fine art, specie, aviation, war, satellites, personal accident, and bloodstock. Lloyd's is...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

amounted to one Maria Theresa thaler (riyal) for a poor man, two thalers in specie for the middle classes, and four or more thalers for the rich. Upon payment...

W. S.; Medina, M. R.; Gosliner, T. M.; Valdés, Á. A. (2018). "Cryptic speciation yields remarkable mimics: A new genus of sea slugs that masquerade as...

such as Rhingia campestris. Silene species have also been used to study speciation, host-pathogen interactions, biological species invasions, adaptation...

Lúnyǔ "Il popolo molte volte desidera la rovina sua, ingannato da una falsa specie di bene." — Niccolò Machiavelli, Discorsi sopra la prima deca di Tito Livio...

All forms of chromosomal polymorphism can be viewed as a step towards speciation. Polymorphisms will generally result in a level of reduced fertility,...

Nogales, Manuel; Rando, Juan Carlos (2016). "What are we learning about Speciation and Extinction from the Canary Islands?". Ardeola. 63 (1): 15–33. doi:10...

mid-19th century and Charles Darwin's time, biogeographers understood speciation and animal niches. A supreme example that became known to Darwin as sailing...

the genetics of a population, strongly affecting natural selection and speciation. In plover populations, polygamous species tend to speciate more slowly...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

in order to probe and to characterize the structure and the chemical speciation of solids and biological materials. Energetic particle beams consisting...

x Cogger, Harold G., 1960. The ecology, morphology, distribution and speciation of a new species and subspecies of the genus Egernia (Lacertilia: Scincidae)...

and silver. They immediately suspended specie payments, and would no longer redeem commercial paper in specie at full face value. A significant economic...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

war was hopeless. Breckinridge was put in charge of the $150,000 in gold specie remaining in the Confederate treasury; traveling southward by rail toward...

Gallivirus is a genus of viruses in the order Picornavirales, in the family Picornaviridae. Turkey and chicken serve as natural hosts. There is only one...

process of evolution, with their diversity the product of a long series of speciation and extinction events. The common descent of organisms was first deduced...

allozyme analysis. Collins, M. M.; Fetzner, J. W.; Rawlins, J. E. (2024). "Speciation, Hybridization, and Phylogeography of the Silk Moth Genus Hyalophora Duncan...

passage of a bill that required all debts to the government to be paid in specie, Treasury notes, or notes issued by the national bank. In the tariff debate...

2001). "A mitochondrial DNA control region phylogeny of the Cervinae: speciation in Cervus and implications for conservation". Animal Conservation. 4 (1):...

bears", likely brown and black bears. This helped promote ideas about speciation. Buffon also mentioned a "white bear of the forest", possibly a Kermode...

mittermeieri became two distinct species. Correlated with the most recent speciation was a climatic change period. It has been proposed that this climate change...

important in understanding the evolution of reproductive isolation during speciation and the role of natural selection in bringing it about. The theory was...

the physical environment (suspected of being one of the major causes of speciation), and human activity such as land conversion, which can alter the environment...

[citation needed] Jackson also influenced monetary policy through his policy of Specie Circular, requiring federal land to be purchased directly with silver and...

due to niche species emerging from their unique tendency toward rapid speciation which helps them adapt to specialized arenic (sandy) habitats. These are...

beginning and middle of the Middle Jurassic. A 2012 study found that speciation in starfish can occur rapidly. During the last 6,000 years, divergence...

Nusbaum HC; Taylor DL (January 2006). "Beringian origins and cryptic speciation events in the fly agaric (Amanita muscaria)". Molecular Ecology. 15 (1):...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Cultivation: The Role of Domestication, Natural Hybridization and Allopolyploid Speciation in their Diversification". Plant and Cell Physiology. 52 (5): 750–764...

dynamic equilibrium in an isolated ecosystem during the slowdown of both speciation and extinction rates. It has also demonstrated the importance of tree...

PMC 21200. PMID 9671802. Provine, W. B. (2004). "Ernst Mayr: Genetics and speciation". Genetics. 167 (3): 1041–6. doi:10.1093/genetics/167.3.1041. PMC 1470966...

thus promoting Cochranea speciation. Elevation differences would have also acted as barriers that helped promote speciation in Tournefortia species as...

are fragmented, the distance between them is contributing to ongoing speciation of animal and plant species. A significant boundary modification took...

S2CID 28850410. Benramdane L, Bressolle F, Vallon JJ (1999). "Arsenic speciation in humans and food products: a review". Journal of Chromatographic Science...

W. S.; Medina, M. R.; Gosliner, T. M.; Valdés, Á. A. (2018). "Cryptic speciation yields remarkable mimics: A new genus of sea slugs that masquerade as...

while Austrian ethnologist Irenäus Eibl-Eibesfeldt uses the term pseudo-speciation, a term that he borrowed from the psychoanalyst Erik Erikson, to imply...

there remain areas of contact between the species, hence the lack of full speciation. The proposed phylogenetic system for hummingbirds suggested by McGuire...

reinforcement. This is one of the most significant pieces of evidences against speciation by reinforcement. Mating Nymph Immature Male, green with brown wings Female...

Anomaloglossus kaiei is a species of frogs in the family Aromobatidae, commonly known as the Kaie rock frog. It was named in honor of Kaie, a great Chieftain...

parental population and new speciation can occur. It is believed that the lever mechanism is a key factor in the speciation, adaptive radiation, and diversity...

group has been found, by means of 13C NMR spectroscopy, to be 14.4. The speciation diagram shows that solutions of citric acid are buffer solutions between...

Nishiumi, Isao; Kim, Chang-Hoe; Kryukov, Alexey P. (2020-05-27). "Cryptic Speciation of the Oriental Greenfinch Chloris sinica on Oceanic Islands". Zoological...

sirenids are unique among salamanders for having developed herbivory speciations, such as beak-like jaw ends and extensive intestines. They feed on algae...

Carroll; Michael R. McGowen; Morgan L. McCarthy; et al. (27 October 2021). "Speciation in the deep: genomics and morphology reveal a new species of beaked whale...

Panspermia Parallel evolution Pleiotropy Signalling theory Handicap principle Speciation Species Species complex Taxonomy Tradeoff Unit of selection Gene-centered...

Bank War pet banks Nullification crisis "King Andrew the First" Censure Specie Circular Attempted assassination Texas Revolution Panic of 1837 Judicial...

biochronology, paleontological events such as the evolution, extinction, or speciation of a taxon can be established at a point in time, and features such as...

little merit in any polygenic model due to an increased understanding of speciation in a human context, with the monogenic "Out of Africa" hypothesis and...

B. Losos; Larson, Allan (2005). "Out of Cuba: overwater dispersal and speciation among lizards in the Anolis carolinensis subgroup" (PDF). Molecular Ecology...

modern concept of the subspecies". The Auk. 99 (3): 608–609. "Species – Speciation". Encyclopedia Britannica. Retrieved 20 April 2021. Linné, C. (1735)....

Africa during the Middle Stone Age, roughly contemporaneous with the speciation of Homo sapiens. I cannot doubt that language owes its origin to the imitation...

Schubert, Mikkel; Seguin-Orlando, Andaine; Orlando, Ludovic (2014). "Speciation with gene flow in equids despite extensive chromosomal plasticity". Proceedings...

cabbage. This is an example of "cataclysmic" speciation, an exception to his general rule that speciation is a slow process. An isolating mechanism prevents...

precious metals. However, by December 1861, the Union government's supply of specie was outstripped by demand for redemption and they were forced to suspend...

No known pathogenic traits are associated with M. scandinavica. The speciation of M. scandinavica was determined by 16S rRNA gene sequencing. Protein...

manager of a mint, a moneyer with responsibility for the minting of coins, or specie. His duties were defined differently at different times and places. The...

Litsea calicaris, the mangeao, is a specie of evergreen tree endemic to the North Island of New Zealand, occurring in lowland forest from near North Cape...

1, pp. 223–24. Mitchell, "The Suspension of Specie Payments", p. 322 Mitchell, "The Suspension of Specie Payments", pp. 323–24 McPherson, Battle Cry of...

This is a case of demonstrating homoploid hybrid speciation, and an example of human observed speciation. Rosemarygrant, B (2003). "Evolution in Darwin's...

Democrats, along with Andrew Jackson's economic policies, specifically his 1836 Specie Circular. Cries of "rescind the circular!" went up and former president...

Pachypodium as a genus fosters greater variation in its speciation. The manner in which speciation occurs in Pachypodium, therefore, is apparent: adaptive...

Phyletic gradualism is a model of evolution which theorizes that most speciation is slow, uniform, and gradual. When evolution occurs in this mode, it...

loans by its western branches, beginning in 1818. Failing to provide gold specie from their reserves when presented with their own banknotes for redemption...

geographic ranges, geographic overlap of species, and ongoing evolution and speciation. Early taxonomic efforts placed the oyster mushrooms within a very broad...

15 April 2019. Retrieved 15 April 2019. Rowsell J, Nazar LF (2000). "Speciation and Thermal Transformation in Alumina Sols: Structures of the Polyhydroxyoxoaluminum...

from "convertible" to "inconvertible" notes, suspended these so-called 'specie payments' until 1821.[citation needed] This move was perhaps inevitable...

back to a more generalist ecology, can help understand concepts such as speciation and genetics of adaptation. Quinaria group species such as Drosophila...

species are monophyletic (or at least paraphyletic). However, hybrid speciation arguably leads to polyphyletic species. Hybrid species are a common phenomenon...

PMID 24318976. S2CID 206510894. Vaux F, Trewick SA, Morgan-Richards M (2017). "Speciation through the looking-glass". Biological Journal of the Linnean Society...

September 2011. Avise, John; D. Walker; G. C. Johns (22 September 1998). "Speciation durations and Pleistocene effects on vertebrate phylogeography". Philosophical...

of guppies in north-eastern Venezuela, the area of putative incipient speciation". BMC Evol Biol. 14 (1): 28. Bibcode:2014BMCEE..14...28H. doi:10.1186/1471-2148-14-28...

Valeria; Gaut, Brandon S. & Eguiarte, Luis E. (2006), "Timing and rate of speciation in Agave (Agavaceae)", Proceedings of the National Academy of Sciences...

Females' choice of male partners can result in reproductive isolation and speciation. Isolation can also be caused by male mating preferences or aggressive...

though studies show the existence of the subfamily from the early Miocene. Speciation occurred in the tribe Antilopini during the middle or upper Miocene, mainly...

The closure of the isthmus led to allopatric speciation events of marine organisms isolated on each side (blue and green). Terrestrial species also migrated...

The Panda's Thumb Crocoduck Evidence of common descent Missing link Speciation Freeman & Herron 2004, p. 816 Prothero 2007, pp. 133–135 Darwin 1859,...

isolation may lead to speciation, but this is not guaranteed. Genetic isolates may form new species in several ways: Allopatric speciation, in which two populations...

marine animals during brief periods of faunal turnovers resulting in speciation within marginalized, isolated populations and subsequent reinvasion of...

unchecked human development can cause a catastrophe in the natural world. "Speciation at Spittal Pond". Evolving Shores. Explorations in Biology, Bermuda College...

Representatives of the Eccrinida Order in the Digestive Tract of King Crab Specie from the Barents Sea". Doklady Biological Sciences. 483 (1): 231–234. doi:10...

Shape Evolution in Sunfishes: Divergent Paths to Accelerated Rates of Speciation in the Centrarchidae". Evolutionary Biology. 42 (3): 283–295. Bibcode:2015EvBio...

consisting of approximately 18 species, although species delineation (speciation) has proved problematic. Within the Boraginoideae, Pulmonaria is placed...

observation raised a hypothesis that plant pathogens can lead to the speciation of plants – if plant populations from the same species develop incompatible...

a competitive advantage over another, creating pressures that lead to speciation and alteration of a species to and from generalist and specialist competitors...

boobies is not as well documented as that of gannets, either because booby speciation was lower from the late Miocene to the Pliocene (when gannet diversity...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Hemiechinus auritus (Gmelin) (Erinaceidae) in Iraq; A Case of Incipient Cryptic Speciation Related to M. saudi in Saudi Arabia". Acta Parasitologica. 64 (1): 195–204...

Parkhill J, Thomson NR, Weill FX, Falush D, Brisse S (August 2019). "The speciation and hybridization history of the genus Salmonella". Microbial Genomics...

the speciation of the group occurred during periods of intense climate change associated with the last ice ages, with especially high speciation rates...

The distinctive characteristics that indicate the differentiation and speciation of the fire-eyes are the plumage, displays, and vocalization. Plumage...

org Archived 2020-10-04 at the Wayback Machine Newton, Ian (2003). The Speciation and Biogeography of Birds. Gulf Professional Publishing. p. 93. ISBN 978-0-12-517375-9...

The ocoee salamander (Desmognathus ocoee) is a species of salamander in the family Plethodontidae. This salamander has a variety of colors and patterns...

"Mitochondrial Genomes Reveal Slow Rates of Molecular Evolution and the Timing of Speciation in Beavers (Castor), One of the Largest Rodent Species". PLOS ONE. 6 (1)...

Bank War pet banks Nullification crisis "King Andrew the First" Censure Specie Circular Attempted assassination Texas Revolution Panic of 1837 Judicial...

5281/zenodo.19121987. Döderlein, P. (1872). "Descrizione di una notevole specie di Sgomberoide (Cybium Verany Doderl.) presa di recente nelle acque di Sicilia"...

host-plant selection is not the primary reason for niche-separation and later speciation. The choice of host plant did not affect survival rates of either species...

studies suggest that speciation in the genus occurred during the Pleistocene and earlier, while other evidence suggests speciation occurred 25,000 to 15...

regulated by rainfall. Females lay 150 to 200 eggs in a lifetime. This specie appears to be omnivorous. Its the only member of its genus that has been...

frequencies in a population and is not characterized by the slow process of speciation, or the formation of a new distinct species. However, larger terrestrial...

Australia before completing a PhD titled Ecological factors associated with speciation in New Zealand triplefin fishes (Family Tripterygiidae) at the University...

of cytology and cytogenetics. His work was influential in the study of speciation in biology.[citation needed] White, M.J.D. (1973) [1937]. The chromosomes...

finches (G. fortis) have become a distinct species, the first example of speciation to be directly observed by scientists in the field. Whole genome studies...

sunbirds vs other pollinators is thought to have contributed to plant speciation, including the exceptionally high floral diversity in southern Africa...

posits that features evolved slowly without any direct association with speciation, the relatively newer and more controversial idea of punctuated equilibrium...

(2001). "Organotin in Industrial and Domestic Products". Trace element speciation for environment, food and health. Royal Society of Chemistry. p. 144....

evolution of communication, and speciation in the Enchenopa binotata species complex of treehoppers. Specialization, speciation, and radiation: the evolutionary...

analysis), with relatively little observable change in oxygen speciation. Similarly, sulfur speciation can be investigated with X-ray absorption near edge structure...

selection, in which competition between mate candidates could lead to speciation. The theory was given a mathematical basis by Ronald Fisher in the early...

WP, Zhang XH, Xing JG, et al. (2012) Cross-species transmission in the speciation of the currently known Murinae-associated hantaviruses. J Virol 86: 11171–11182...

humid habitats. These factors have favoured genetic isolation and rapid speciation, producing many lineages with restricted ranges. The living members of...

quadri sono un prolungamento emotivo, un tramite ideale per rilassarmi: una specie di complemento, per un dilettante assoluto» Michiels, Karel (29 October...

70 m. However each species inhabits roughly separate areas of ocean. Speciation within the genus can be difficult to confirm, partly due to hybridisation...

disruptive selection, and is merely a stepping stone in the process of speciation, especially if the traits that define gender are independent across a...

special Yes Ma'am on Hulu. November 8: Jiaoying Summers's special What Specie Are You? on Hulu. November 9: Zoltan Kaszas's special London Fog on YouTube...

biological evolution. It provides strong evidence for the formation (speciation) and extinction of species. The geologic time scale was developed during...

2001). "A mitochondrial DNA control region phylogeny of the Cervinae: speciation in Cervus and implications for conservation". Animal Conservation. 4 (1):...

considered valid) García-R, J.C.; Trewick, S.A. (2015). "Dispersal and speciation in purple swamphens (Rallidae: Porphyrio)". Auk. 122 (1): 140–155. doi:10...

S; Thomas, Tiju; Pradeep, Thalappil (December 2019). Arsenic in Water: Speciation, Sources, Distribution, and Toxicology. Copyright © 2019 John Wiley &...

Speciation diagram for a 10-millimolar solution of citric acid. The violet curve corresponds to the trisodium citrate....

emission spectrometry – fundamental aspects and applications in metal speciation analysis". TrAC Trends in Analytical Chemistry. 19 (2–3): 138–156. doi:10...

1879, when all remaining greenbacks were made redeemable in gold by the Specie Payment Resumption Act of 1875. During his first three terms in Congress...

members are mycorrhizal, and some evidence shows that the high degree of speciation is due to adaptation to different trees and possibly also local habitats...

to remove these messages) This article is missing information about the specie's taxonomy, behavior, and venom. Please expand the article to include this...

hydrogen fluoride and antimony pentafluoride: SbF5 + 2 HF ⇌ SbF−6 + H2F+ The speciation (i.e., the inventory of components) of fluoroantimonic acid is complex...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

; Yang, M. H. (2019). "海螵蛸中砷形态分析及限量标准研究 - 中国知网" [Analysis of arsenic speciation in Endoconcha Sepiae and research on its limit standard]. Zhongguo Zhong...

Dryophytes gratiosus, commonly known as the barking tree frog, is a species of tree frog endemic to the south-eastern United States. Formerly known as...

our lives lack meaning from the perspective of the universe, that is, sub specie aeternitatis); and, finally, Benatar concludes that, even if one argues...

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Cooperation Coevolution Coextinction Contingency Divergence...

Pistorius, Pierre; Trathan, Phil; Polanowski, Andrea (2020). "Cryptic speciation in gentoo penguins is driven by geographic isolation and regional marine...

POWs subjected to forced labor in Japan were routed through the Yokohama Specie Bank. When Yukihisa Fujita of the Democratic Party of Japan questioned the...

(3): 281–336. Hettmann K, Wenzel T, Marks M, Markl G (2012). "The sulfur speciation in S-bearing minerals: New constraints by a combination of electron microprobe...

study of genomic DNA within species of mosquitoes found that there were "speciation islands" of genes that remain differentiated despite considerable gene...

Rokhsar, Daniel S (2021). "Diversification of mandarin citrus by hybrid speciation and apomixis". Nature Communications. 12 (1): 4377. Bibcode:2021NatCo...

Missing Shade of Blue "Of Miracles" Scottish Enlightenment Empiricism Price–specie flow mechanism Related Hume Studies A Treatise of Human Nature (Abstract)...

multiple predecessor banks including Mitsubishi Bank (est. 1880), Yokohama Specie Bank (est. 1880 as a policy bank, reorganized after World War II as Bank...

be taxonomically related, sharing similar morphology and physiology. Speciation is the creation of a new and distinct species through evolution and so...

delle matrici del secondo ordine e sui polinomi di Tchebycheff di seconda specie" [Some observations on the powers of second order matrices and on Tchebycheff...