Question

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

NCERT Class X
Science - Exemplar Problems

Chapter_Life Processes

Answer 1

As  compared  to  the  amount  of  oxygen  in  the  air  the  amount  of  dissovled  oxygen  in  water  is  fairly  low.So  aquatic  animals  have a  faster  rate  of  breathing  as  compared  to terrestial  animals.

Answer 2

$<b>The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. So the rate of breathing in aquatic organisms is much than faster than Terristrial animals.$

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