SAT Subject Biology Practice Question 315: Answer and Explanation

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Question: 315

5. A barren, rocky community near a lake has virtually no vegetation or animal life. After a period of approximately 75 years, the community boasts a wide variety of flora and fauna, including deciduous trees, deer, and raccoon.

The stable community of deciduous trees and animals is known as the

A. final community
B. climax community
C. apex community
D. summit community
E. composite community

Correct Answer: B


B The climax community is the final, stable community in succession. The key word here is "stable." That should tip you off that this is the end of the process, or the " climax."

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