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

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Question

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

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Solution

The aquatic organisms use the oxygen dissolved in water to carry out respiration. Since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in air, the rate of breathing in aquatic animals is much faster than in terrestrial animals.

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Chapter 1: Life Processes - Exercise 2 [Page 48]

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Lakhmir Singh Biology (Science) [English] Class 10
Chapter 1 Life Processes
Exercise 2 | Q 43 | Page 48
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