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

Guido

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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

Textbook

Biology: Life on Earth

Biology: Life on Earth

Edition: 10^th

Authors: Audesirk, Byers

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Cellar

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