2 years ago

Why is a sea otter a “keystone”??

2 answers:

8 0

Explanation:

Sea otters are an iconic species, representing the beauty and diversity of marine life found along California’s coastline. They’re also considered a keystone species because of their critical importance to the health and stability of the nearshore marine ecosystem. They eat sea urchins and other invertebrates that graze on giant kelp.

Margaret [11]2 years ago

7 0

This is because eliminating them would cause a trophies cascade. The sea otter’s prey would increase, and the prey of that prey would decrease. Thus, otters are a “keystone” species.
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