why is the rate of breathing in aquatic organisms much faster than in terrestrial organism ?
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Aquatic animals take in the oxygen dissolved in water. The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. Therefore, rate of breathing in aquatic organisms is much faster than in terrestrial organisms.
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This happens because the amount of oxygen dissolved in water is less than that in air so to compensate for this they have a faster breathing rate
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