Which statement best describes a keystone species? O A. Its birthrate is the highest of all the species in the community.
B. It has the highest amount of genetic diversity in the community.
C. It serves as a predator of many other species in the community.
D. Its extinction would cause a significant change in the community.

D. Its extinction would cause a significant change in the community.

Explanation:

A keystone species is a species that helps define an entire ecosystem. If its keystone species disappeared, the ecosystem would significantly change or even disappear, too.

There are several types of keystone species:

Based on this information, we can conclude that the correct option is D.

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