A species that is so important to its community that its removal can dismantle a food web (such as sea otters)is termed a

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A keystone species is one whose impact on its community is disproportionately large relative to its abundance. The removal of a keystone species can cause a significant shift in the structure and functioning of the ecosystem, potentially leading to the collapse of the food web. Sea otters are a classic example of a keystone species, as their presence helps to maintain the diversity and abundance of kelp forests by controlling the herbivorous sea urchin population.

A Species That Is So Important to Its Community That