In 1977, Sea Otters were put on the endangered species list. Their population decline was due to hunting and trapping for their fur. During this period, there was a large decline of kelp. Use the food web, and include important relationships, to explain what could explain the decrease in kelp population.

The information provided is not enough. But i will answer for you the best i can.

Since there is population decline of sea otters. The top food web have decline which led to the fish population to explode. There is more fish to consume the kelp, so that why there is a decline in kelp.

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preservation because he preserves part of the land and preserves means save

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