Look up specie or in specie in Wiktionary, the free dictionary. Specie may refer to: Coins or other metal money in mass circulation Bullion coins Hard...

Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for...

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

In evolutionary biology, sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to inhabit the same...

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

The scientific study of speciation — how species evolve to become new species — began around the time of Charles Darwin in the middle of the 19th century...

In parapatric speciation, two subpopulations of a species evolve reproductive isolation from one another while continuing to exchange genes. This mode...

When speciation is not driven by (or strongly correlated with) divergent natural selection, it can be said to be nonecological, so as to distinguish it...

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population.: 105  Since peripatric speciation resembles...

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

Reinforcement is a process of speciation where natural selection increases the reproductive isolation (further divided to pre-zygotic isolation and post-zygotic...

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

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

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...

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

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

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

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...

Humans (Homo sapiens) or modern humans are the most common and widespread species of primate, and the last surviving species of the genus Homo. They are...

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

speciation. Charles Darwin was the first to describe the role of natural selection in speciation in his 1859 book The Origin of Species. Speciation depends...

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

Mutation Natural selection Adaptation Polymorphism Genetic drift Gene flow Speciation Adaptive radiation Co-operation Coevolution Coextinction Divergence Convergence...

Speciesism (/ˈspiːʃiːˌzɪzəm, -siːˌzɪz-/) is a term used in philosophy regarding the treatment of individuals of different species. The term has several...

classical genetics, quantitative genetics, population biology, phylogenetics, speciation, and systematics. Overlapping and related terms can be found in Glossary...

biodiversity have been shaped by repeated formations of new species (speciation), changes within species (anagenesis), and loss of species (extinction)...

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

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

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

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