vicariance


vi·car·i·ance

noun \-ē-ən(t)s\

Definition of VICARIANCE

:  fragmentation of the environment (as by splitting of a tectonic plate) in contrast to dispersal as a factor in promoting biological evolution by division of large populations into isolated subpopulations —called also vicariance biogeography

First Known Use of VICARIANCE

1957

Rhymes with VICARIANCE

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