Q42 of 367 Page 47

Why do fishes die when taken out of water?

Fishes do not have lungs which can take oxygen from air. Hence, they die when taken out of water. They have gills which can only take oxygen dissolved in water.


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What is meant by aquatic animals and terrestrial animals ?

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From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration ?

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Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?

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