Environment & Ecology · Environmental Ecology
What is a keystone species and why is it critically important in an ecosystem?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A species that exerts strong control on community structure relative to its abundance✓
- 2The most numerically abundant species in a given trophic level
- 3A species primarily used as a model organism in scientific research
- 4An exotic species introduced to enhance agricultural productivity
Correct answer
A species that exerts strong control on community structure relative to its abundance
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