Q. Why is there a difference in the rate of
breathing between aquatic organisms and
terrestrial organisms? Explain. [CBSE 2020]
Ans. Rate of breathing is different between aquatic
and terrestrial organisms. Terrestrial organisms can breathe the oxygen which is present in the
atmosphere, but animals that live in water use
the oxygen dissolved in water.
Since the amount of dissolved oxygen in very
low as compared to amount of oxygen in the
air. Hence, the rate of breathing in aquatic
organisms is much faster than terrestrial
organisms.
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