Official 54 Lec 1
Question 5 of 6
Avoiding predators is one possible explanation for why zooplankton dive so deeply in the ocean. What two other explanations for this phenomenon does the professor offer?

A.

To avoid ultraviolet light

B.

To avoid strong ocean currents

C.

To digest in colder waters

D.

To find abundant food sources

正确答案:AC

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