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Pronunciation varies by accent · noun
(biology) The separation of a group of organisms by a geographic barrier, resulting in differentiation of the original group into new varieties or species..
Such an old origin for parts of Sulawesi would explain its unique biota and high species richness; species would have rafted along on these fragments from worlds since long lost (a process known as vicariance).
Use vicariance when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Vicariance means (biology) The separation of a group of organisms by a geographic barrier, resulting in differentiation of the original group into new varieties or species..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Such an old origin for parts of Sulawesi would explain its unique biota and high species richness; species would have rafted along on these fragments from worlds since long lost (a process known as vicariance).
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