Vicariance meaning

vī-kârē-əns, vĭ-
The division of a widespread group of organisms by a geographic barrier, such as a mountain range or a body of water, often resulting in the evolution of related species on either side of the barrier.
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The division of a widespread group of organisms by a geographic barrier, such as a mountain range or a body of water, often resulting in the evolution of related species on either side of the barrier.
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The separation or division of a group of organisms by a geographic barrier, such as a mountain or a body of water, resulting in differentiation of the original group into new varieties or species.
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(biology) The separation of a group of organisms by a geographic barrier, resulting in differentiation of the original group into new varieties or species.
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(geology) The geological event which produces such a barrier (volcano, earthquake, etc)
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(psychology, colloquial) The act of experiencing an event by proxy through an empathic link with the person who is experiencing the event firsthand.
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Origin of vicariance

  • Latin vicārius substitute (since after a vicariant speciation event, one species can be thought of as “substituting for” a related species on the other side of the geographic barrier) vicarious –ance

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Wiktionary