Ecosystems · Botany

What is the term for a species that has a disproportionately large effect on its natural environment relative to its abundance?

  1. Endangered species
  2. Keystone species
  3. Invasive species
  4. Indicator species
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Correct answer: Keystone species

A keystone species plays a critical role in maintaining the structure of an ecological community. If removed, the ecosystem would be dramatically different or cease to exist altogether, such as sea otters in kelp forests.

Difficulty: Medium Question 11 of 20

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