allopatric speciation wikipedia - EAS
- Allopatric speciation is the evolution of species caused by the geographic isolation of two or more populations of a species. In this case, divergence is facilitated by the absence of gene flow.en.wikipedia.org/wiki/Sympatric_speciation
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Allopatric speciation (from Ancient Greek ἄλλος (állos) 'other', and πατρίς (patrís) 'fatherland') – also referred to as geographic speciation, vicariant speciation, or its earlier name the dumbbell model – is a mode of speciation that occurs when biological populations become geographically isolated from … See more
The notion of vicariant evolution was first developed by Léon Croizat in the mid-twentieth century. The Vicariance theory, which showed coherence along with the acceptance of plate tectonics in the 1960s, was developed in … See more
As allopatric speciation is widely accepted as a common mode of speciation, the scientific literature is abundant with studies documenting its existence. The biologist Ernst Mayr was … See more
Early speciation research typically reflected geographic distributions and were thus termed geographic, semi-geographic, and non-geographic. Geographic speciation corresponds to today's usage of the term allopatric speciation, and in … See more
Various alternative models have been developed concerning allopatric speciation. Special cases of vicariant speciation have … See more
Experiments on allopatric speciation are often complex and do not simply divide a species population into two. This is due to a host of defining parameters: measuring reproductive … See more
• H. Allen Orr; Michael Turelli (2001), "The evolution of postzygotic isolation: Accumulating Dobzhansky-Muller incompatibilities", … See more
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