Give reason why aquatic animals are able to survive in severe winter?

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Solution

Importantly there are two reasons:-
Solubility of oxygen increases with decrease in temperature, as a result aquatic animals are able to breath more comfortably.
Only the top layer of the river, lake or ocean freezes and water below it remains in liquid form.

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Aquatic animals survive with the help of dissolved oxygen.

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During extreme winters, water bodies such as lakes and rivers freeze forming a layer of ice on their top surface. How do fish and other aquatic animals manage to survive under such conditions?

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Give reason why aquatic animals are able to survive in severe winter?

Importantly there are two reasons:-Solubility of oxygen increases with decrease in temperature, as a result aquatic animals are able to breath more comfortably.Only the top layer of the river, lake or ocean freezes and water below it remains in liquid form.

Importantly there are two reasons:-
Solubility of oxygen increases with decrease in temperature, as a result aquatic animals are able to breath more comfortably.
Only the top layer of the river, lake or ocean freezes and water below it remains in liquid form.