Members of the ancestral salamander species live in northern California. As they migrate southward, populations are separated by the Central Valley. With limited contact between populations on the east and west of the valley, genetic differences accumulate. What type of speciation occurs under these conditions?

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Social Studies

Esther Brennan

12 August, 05:48

Members of the ancestral salamander species live in northern California. As they migrate southward, populations are separated by the Central Valley. With limited contact between populations on the east and west of the valley, genetic differences accumulate. What type of speciation occurs under these conditions?

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Answers (1)

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Zaria Alexander · Answer 1

Allopatric speciation

Explanation:

Allopatric speciation is one of the five types of speciation (allopatric, peripatric, parapatric, sympatric and artificial) it happens when a population is geographically separated; for example, when there's an isthmus splitting an ocean or fruit flies being seperated in the lab. Then the species on each sides of the barrier can no longer mate with each other, and each population evolves separately.