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SAT® Subject Test in Biology

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Types of Selection

SATBIO-ITHOX1

A population of field mice is preyed on by a group of hawks. The mice that are smaller in size are able to quickly escape into burrows in the ground and avoid predation.

The mice of medium and large size are too large to fit into the burrows and are unable to escape the hawks. Over time, the mouse population is composed of mostly small mice.

What process is responsible for causing this outcome?

A

Hardy-Weinberg equilibrium

B

Diversifying selection

C

Stabilizing selection

D

Directional selection

E

Sexual selection