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Why have populations of many ray-finned fish species decreased in recent years?

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Why have populations of many ray-finned fish species decreased in recent years?

Why have populations of many ray-finned fish species decreased in recent years?
A) Parasitism by lampreys
B) Bacterial disease
C) Pollution of their environment
D) Loss of their prey species
E) Overfishing by humans

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Biology: Life on Earth

Biology: Life on Earth

Edition: 10^th

Authors: Audesirk, Byers

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