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Speciation requires _____. geographic isolation a mass extinction so that new environmental opportunities will be available...

Speciation requires _____.

geographic isolation
a mass extinction so that new environmental opportunities will be available to the survivors
periods of rapid evolutionary change
genetic isolation
long periods of time
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Answer #1

Answer: genetic isolation.

Explanation: Speciation occurs when there is genetic isolation, means after that the two individuals will not be genetically compatible. They won't be able to reproduce successfully. This will lead to formation of new species. The factors like geographical isolation, rapid evolutionary change, long periods of isolation will contribute to genetic isolation and help in Speciation.

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