Dictionary
vicariance
noun vi·car·i·ance \-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
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First Known Use of VICARIANCE
1957
Rhymes with VICARIANCE
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