SAT Subject Biology Practice Question 372: Answer and Explanation

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Question: 372

2. Layer that restricts evaporation in humans

A. Hair
B. Epidermis
C. Cuticle
D. Guard cell
E. Sweat gland

Correct Answer: B

Explanation:

B Start by eliminating structures that are not layers, such as choices A, D, and E. Because humans do not have a cuticle as an outer layer (that's a plant layer), choice C can also be eliminated.

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