SAT Subject Biology Practice Question 243: Answer and Explanation

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Question: 243

13. Which of the following is positively associated with biodiversity?

I. Diversity of ecosystems

II. Genetic variation within species

III. Species diversity within communities

A. III only
B. I and II only
C. I and III only
D. II and III only
E. I, II, and III

Correct Answer: E


Biodiversity includes ecosystem diversity, genetic diversity, and species diversity.

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