If less light falls on a pond surface:?
A.The size of fishes becomes large
B.The size of fish population becomes smaller
C.The size of fish population is in no way connected with the amount of light falling on a pond
D.Mutation will take place in fishes
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B.The size of fish population becomes smaller
C.The size of fish population is in no way connected with the amount of light falling on a pond
D.Mutation will take place in fishes
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