A Fish Swimming into an Estuary from a River Would

question 6

Multiple Choice

A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?

• A)The high water flow would make the fish expend more energy.
• B)The low oxygen content would give the fish difficulty in swimming aerobically.
• C)The temperature change would stress the fish by denaturing its proteins.
• D)The change in water solute content would challenge the osmotic balance of the fish.
• E)The flux of nutrients washing into the estuary would give the fish difficulty in swimming aerobically.

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The full ledger of economic financial resources at a specific instance.

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