2 Answers

Asi · Answer 1 · 2023-05-09T15:14:14+0000

Sea otters are a "keystone species" which means that they can exert top-down pressure via predation on sea urchins, which are grazers upon kelp. As urchin density decreases from sea otter predation, so does the grazing pressure on kelp and as a result kelp forests flourish in the presence of sea otters.

Parnas · Answer 2 · 2023-05-14T19:30:13+0000

Answer:

Sea otters are considered a "keystone species" because they can exert top-down pressure via predation on sea urchins, which are grazers upon kelp.

Step-by-step explanation:

As urchin density decreases from sea otter predation, so does the grazing pressure on kelp and as a result kelp forests flourish in the presence of sea otters.

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2 Answers

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Sea otters are considered a "keystone species" because they can exert top-down pressure via predation on sea urchins, which are grazers upon kelp.

As urchin density decreases from sea otter predation, so does the grazing pressure on kelp and as a result kelp forests flourish in the presence of sea otters.

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