Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey animals, the ____, which subsequently consumed and decimated ____.populations.

Question

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Sea otters are a keystone species in their ecosystem, particularly in kelp forest habitats. By preying on sea urchins, they help control the sea urchin population. Without enough sea otters, sea urchin populations can grow unchecked, leading to overgrazing on kelp forests and causing their decline.

Sea Otter Populations Were Reduced by Overhunting, Allowing an Overgrowth