What was the root cause of the decline of kelp beds on the west coast of the U.S.?

A. A decline in the seal and sea otter population.
B. Overfishing of the perch and herring in the area.
C. An explosion of the sea urchin population.
D. A decline in the sea otter population that would control the sea urchin population.
E. An increase in the orca population preying upon the sea otters.


Answer: B

Biology & Microbiology

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