Human Biology: Concepts and Current Issues
Human Biology: Concepts and Current Issues
7th Edition
ISBN: 9780321821652
Author: Michael D. Johnson
Publisher: Benjamin Cummings
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Chapter 23, Problem 6TY

Which of the following characterizes mature communities?

a. They contain a limited number of different species.

b. They are generally stable and long-lived.

c. They contain equal numbers of producers and consumers.

d. They can be reestablished quickly following significant environmental change.

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Human Biology: Concepts and Current Issues

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