Small, isolated populations are vulnerable to extinction because:

Question

Quizplus · Accepted Answer

Small, isolated populations are subject to genetic drift, which reduces genetic variability, as chance fluctuations in the frequency of alleles can occur. This can lead to a loss of alleles that may be important for adaptation to changing environmental conditions. Gene flow, on the other hand, introduces new alleles into a population, potentially increasing genetic variation. Therefore, option B is the correct answer.

Small, Isolated Populations Are Vulnerable to Extinction Because