Allopatric speciation cannot result when a population
A) becomes separated by a large lake.
B) becomes separated by a desert.
C) becomes geographically isolated by a range of mountains.
D) evolves into two sister species while sharing the same geographic range.
E) becomes isolated on several islands as sea level rises.

Question

Quizplus · Accepted Answer

Allopatric speciation requires geographic isolation, and option D suggests that the population evolves into two sister species while sharing the same geographic range, which is not consistent with geographic isolation. Therefore, this option cannot lead to allopatric speciation.

Allopatric Speciation Cannot Result When a Population