Which of the following is not an effect of over-crowding ...
Which of the following is not an effect of over-crowding in a population?
Death
Competition
Commensalism
Aggression
Cannibalism
Correct answer is B
Commensalism is a long-term biological interaction in which members of one species benefits while those of the other species neither benefit nor are harmed.
Hence, commensalism is not an effect of overcrowding.
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