Environment & Ecology · Environment
What is a keystone species?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A dominant predator that controls the population of other animals.
- 2Species which have no impact on ecological communities, often introduced for tourism purposes.
- 3A species whose presence and role within an ecosystem has a disproportionately large effect on other species in the system.✓
- 4The most abundant species in an environment with low biodiversity.
Correct answer
A species whose presence and role within an ecosystem has a disproportionately large effect on other species in the system.
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