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What is Allopatric speciation in Biology? PDF | Download eBooks

Learn Allopatric speciation definition in biology with explanation to study “What is Allopatric speciation”. Study allopatric speciation explanation with biology terms to review biology course for online degree programs.

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 Explanation

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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