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Sea otters are part of a giant kelp ecosystem. They feed on sea urchins that feed on kelp. How does hunting sea otters affect the population of sea urchins and kelp in the ecosystem? A. The sea urchin population decreases, and the kelp population increases B. The sea urchin population decreases, and the kelp population decreases C. The sea urchin population increases, and the kelp population decreases D. The sea urchin population increases, and the kelp population increases
The answer is C if you kill all the sea otters (which is wrong) then there is nothing to kill the sea urchins which then the sea urchin population will increase. Because sea urchins feed on kelp and there are so many of sea urchins, it requires more kelp to be eaten. Last, the kelp population is low because all the sea urchins ate most of the kelp
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