A trend toward the decrease in the size of plants on the slopes of mountains as altitudes increase is an example of
A) a cline.
B) a bottleneck.
C) relative fitness.
D) genetic drift.
E) geographic variation.

Question

Quizplus · Accepted Answer

A trend toward the decrease in the size of plants on the slopes of mountains as altitudes increase is an example of a cline, which is a gradual change in a characteristic along a geographic axis.

A Trend Toward the Decrease in the Size of Plants