SAT Subject Biology Practice Question 409: Answer and Explanation

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Question: 409


Organisms that live in the intertidal zone might have which of the following characteristics?

I. Ability to conduct photosynthesis

II. Tolerance of periodic drought

III. Tolerance of a wide range of temperatures

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

Correct Answer: E


E The intertidal zone receives plenty of sunshine, periodically dries up (when the tide goes out), and has large fluctuations in temperature because of the changes in water depth. Organisms that live here may have characteristics that help them survive those conditions. Options I, II, and III are all true. Don't forget to eliminate answer choices as you decide whether an option is true or false.

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