Oceans have three major life zones (intertidal, pelagic, and benthic) and they occupy most of the earth's surface. However, they are not thoroughly understood by humans as there is still much to learn about the depths of the ocean and the organisms that inhabit them.

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Oceans

Question 60

Multiple Choice

Oceans

A) have three major life zones
B) occupy most of the earth's surface
C) are thoroughly understood by humans
D) have three major life zones and are thoroughly understood by humans
E) have three major life zones and occupy most of the earth's surface

Correct Answer: