In a community, sea otters prey on sea urchins, which in turn consume kelp. Kelp forests make up the habitat for many types of fish, such as rockfish, and a wide range of other species. Identify the keystone species in this community.

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Sea otters are considered the keystone species in this scenario because they have a disproportionately large effect on their environment relative to their abundance. By preying on sea urchins, they control the sea urchin population, which in turn allows kelp forests to thrive. Kelp forests provide habitat for many species, so the health of this ecosystem largely depends on the presence of sea otters.

In a Community, Sea Otters Prey on Sea Urchins, Which