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One Cause of Extinction

APBIO-CGS1O2

One cause of a species becoming extinct is that it is not able to adapt to changes in its environment.

Why did the population represented in the graph decrease so rapidly?

"Population Bottleneck". Wikipedia. N.d. Web. 7 Feb. 2016. <https://en.wikipedia.org/wiki/Population_bottleneck

A

The loss of gene flow.

B

The loss of genetic variation.

C

The introduction of a predator.

D

Natural selection.