Starting with the Overharvesting of Plankton-Eating Whales by Humans and Ending

question 47

Multiple Choice

Starting with the overharvesting of plankton-eating whales by humans and ending with the thinning of the kelp forests in the Alaska near-shore community,which one of the following intervening events would have occurred fourth?

• A)sea otter populations decline
• B)killer whales switch to a new prey
• C)pollock populations increase
• D)sea urchin populations explode
• E)sea lion and harbor seal populations drastically decline

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