3 why is the rate of breathing in aquatic organisms much faster than that seen in terrestrial organisms? how does oxygenation of blood takes place in fish? (2010
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They use dissolved oxygen in water so content of oxygen is much less so they can breathe faster
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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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