SAT Subject Biology Practice Question 122: Answer and Explanation

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Question: 122

12. The graph depicts the population size of a species over time.

What growth pattern is the population demonstrating at time 1?

A. Gradual
B. Declining
C. Continual
D. Oscillating
E. Exponential

Correct Answer: E


Time A on the associated graph depicts a steep curve of population increase over a short amount of time, which is characteristic of exponential population growth.

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