Multiple Choice
Corals affect their communities by producing elaborate limestone skeletons (coral reefs) that provide habitat for thousands of species and by helping to concentrate resources on the reef.Sea otters affect their communities by acting as top predators that generate trophic cascades, helping to maintain species richness, abundance, and composition.Are these animals considered keystone species or foundation species?
A) Both are keystone species.
B) Both are foundation species.
C) Corals are a keystone species; sea otters are a foundation species.
D) Corals are a foundation species; sea otters are a keystone species.
E) Both may fit either category, depending on the specific community.
Correct Answer:
Verified
Correct Answer:
Verified
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