AP Biologyeasymcq1 pt
A keystone species is one whose
A.removal drastically alters the community
B.population is the largest in the ecosystem
C.diet consists of a single prey
D.range covers the most area
Explanation
Core Concept
Sea otters control urchins; removing them unleashes urchins that destroy kelp forests. Impact far exceeds abundance.
Correct Answer
Aremoval drastically alters the community
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