What happened to different living things in the hudson river ecosystem almost 20 years after the zebra mussel invasion? make sure to mention the changes in at least three populations in your answer. what does the number of zooplankton in the hudson river show about the large zebra mussels in the river? use evidence from the text to support your answer. one question that scientists have not yet answered is what caused the number of large zebra mussels to decline. how might tracking different parts of the ecosystem over a long time scientists to answer this question?
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