For which of the following would a mountain range MOST likely represent a geographic barrier that would block gene flow?

Question

Quizplus · Accepted Answer

Mountain ranges can significantly impede the movement of terrestrial animals that are less capable of traversing steep or high obstacles, such as mice. Birds and butterflies can often fly over such barriers, and deer, depending on the species, might be able to navigate around or over smaller mountain ranges, making mice the most likely to be geographically isolated by mountains.

For Which of the Following Would a Mountain Range MOST