According to the figure above, sea otters are important to the populations of
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sea urchins and kelp forests. Sea otters help control the population of sea urchins by feeding on them, which prevents the sea urchins from overgrazing kelp forests. This allows the kelp forests to thrive and provides habitat for a variety of marine species. In this way, sea otters play a crucial role in maintaining the health and balance of coastal ecosystems.
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