Question

Grizzly bears: As predators, bears eat several species, like moose and elk. They also eat many fruits throughout the ecosystem. Bears that eat salmon will leave their dropping and the partially eaten remains. Explain how this makes grizzly bears a keystone species in at least 5 sentences.

Answer 1

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Grizzly bears: As predators, bears keep down the numbers of several species, like moose and elk. They also carry and deposit seeds throughout the ecosystem. Bears that eat salmon will leave their dropping and the partially eaten remains that provide nutrients such as sulfur, nitrogen and carbon to the soil.