SAT Subject Biology Practice Question 357: Answer and Explanation

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Question: 357

7. Which of the following individuals is the LEAST fit in evolutionary terms?

A. A 45-year-old male with a terminal disease who has fathered three children
B. A 20-year-old man who has fathered one child
C. A 35-year-old woman with four children
D. A healthy 4-year-old child
E. A 25-year-old woman with one child, who has had a tubal ligation to prevent future pregnancies

Correct Answer: D


D Anyone who has produced offspring has demonstrated their fitness. Regardless of how healthy a child is, he has not yet produced offspring to prove his fitness. Use the LEAST/EXCEPT/NOT technique.

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