Question

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

organisms? in one word answer
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Answer 1

Answer:

Aquatic animals take in the oxygen dissolved in water. The amount of dissolved oxygen in water is fairly low as compared to the amount of oxygen in the air. Therefore, the rate of breathing in aquatic organisms is much faster than in terrestrial organisms.

Answer 2

Answer:

This is because in water, oxygen is present in dissolved form. Thus in lesser amount than that present on land.