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vicariant

/ vɪˈkɛərɪənt, vaɪ- /

noun

  1. any of several closely related species, races, etc, each of which exists in a separate geographical area: assumed to have originated from a single population that became dispersed by geological events
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Derived Forms

  • viˈcariance, noun
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Word History and Origins

Origin of vicariant1

C20: from Latin vicārius (see vicar ) + -ant
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Example Sentences

Unlike maize and sorghum, however, and give rise to fertile hybrids, consistent with the vicariant hypothesis for phylogeographical divergence, in which geographically isolated species are under no selective pressure to evolve reproductive isolation.

From Nature

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