Multiple Choice
Competitive exclusion is not as common as many biologists expected,in large part because
A) there just are not that many species of organisms on Earth.
B) ecosystems are more homogeneous than was appreciated.
C) even when two species share an identical niche,they find a way to cooperate.
D) heterogeneous environments allow apparent competitors to occupy separate niches.
Correct Answer:

Verified
Correct Answer:
Verified
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