?

AP® Environmental Science

Free Version

Upgrade subject to access all content

Moderate

Population Fluctuation

APES-YIUGF5

Created for Albert.io. Copyright 2016. All rights reserved.

Which of the following is the BEST explanation for why a population might fluctuate between points A, B, and C?

A

The population is no longer reproducing.

B

Emigration and migration rates have stabilized.

C

A keystone species in the area has gone extinct.

D

Space and resources have become limited.

E

An epidemic has overcome the population.