Allopatric Speciation - Isolating Mechanisms

Isolating Mechanisms

Allopatric speciation may occur when a species is subdivided into geographically isolated populations. Such separation commonly is referred to as vicariance. Allopatric and allopatry are terms from biogeography, referring to organisms whose ranges are entirely separate such that they do not occur in any one place together. If these organisms are closely related (e.g. sister species), such a distribution is usually the result of allopatric speciation. Separation may be attributed to either geological processes or population dispersal.

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Famous quotes containing the word isolating:

    I am succeeding quite well in my work and the future looks well. What special mission is God preparing me for? Cutting off all earthly ties and isolating me as it were.
    Ellen Henrietta Swallow Richards (1842–1911)