Assertion (A) : The rate of breathing in aquatic organisms is much slower than that seen in terrestr

Question

Assertion (A) : The rate of breathing in aquatic organisms is much slower than that seen in terrestrial organisms.\ Reason (R): The amount of oxygen dissolved in water is very low as compared to the amount of oxygen in air.\

Professor PC Thomas Classes · Answer

(d) : The amount of dissolved oxygen in water is fairly low as compared to the amount of oxygen in the air but the rate of breathing in aquatic organisms is much faster than that seen in terrestrial organisms because the aquatic animals have to breath rapidly to take in sufficient oxygen.