SAT Subject Biology Practice Question 64: Answer and Explanation

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Question: 64

3. Which of these examples is represented by the Type III curve shown?

A. Most redwood seeds are eaten, but a few produce trees that live for decades.
B. The growth of a bamboo stand slows as space becomes limited.
C. The probability of a squid being captured and eaten is independent of its age.
D. The growth of a bacterial colony increases as new individuals are produced.
E. A few pandas are born in a population, but they survive through adulthood.

Correct Answer: A

Explanation:

A type III survivorship curve characterizes species that produce a large number of offspring with only a few of the species surviving into adulthood.

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