In ecology, what term describes a species that has a disproportionately large impact on its natural environment relative to its abundance?
Answer and explanation
Correct answer: D. Keystone species
- Step 1: A keystone species (e.g., sea otters, wolves) exerts key top-down regulation on community structure and biodiversity. Answer: Keystone species. Why not the others: Pioneer species are the first organisms to colonize bare substrate in primary succession.
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