The large cod fish in the North Atlantic prey on smaller fish like herring. Due to warming ocean waters, the herring are moving to deeper water and further north. Why is it important for scientists to understand both cod and herring populations in order to make predictions about the cod population?

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Biology

Maddie

25 June, 20:54

The large cod fish in the North Atlantic prey on smaller fish like herring. Due to warming ocean waters, the herring are moving to deeper water and further north. Why is it important for scientists to understand both cod and herring populations in order to make predictions about the cod population?

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Branden Arias · Answer 1

The Herring is an essential food source for the cod. If migration occurs among schools of herring, their biomass will decrease significantly, causing a downward shift in cod populations