allopatric speciation

(redirected from Vicariant specation)
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allopatric speciation

A process in which two or more populations of the same (but geographically separated and non-interbreeding) species become less similar to each other over time, through mutation or survival advantages of different traits in differing environments, and eventually become distinct species.
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allopatric speciation

the genetic differentiation of populations which are geographically separate to the point where they become separate SPECIES.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005