Allopatric speciation Notes: Definitions & Explanations PDF | Download eBooks
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Allopatric speciation Definition:
In allopatric speciation, gene flow is interrupted when a population is divided into geographically isolated subpopulations.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Allopatric speciation Notes:
An example of allopatric speciation is the water level in a lake that subsides, resulting in two or more smaller lakes that are now home to separated populations. Or a river may change course and divide a population of animals that cannot cross it. Allopatric speciation can also occur without geologic remodeling, such as when individuals colonize a remote area and their descendants become geographically isolated from the parent population.
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