What advantage over an aquatic organism does a terrestrial organism
have with regard to obtaining oxygen for respiration
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The advantages of an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration are as follows:
Explanation:
- The oxygen present in the air is in free state. The oxygen present in water is in dissolved format. Hence, it is easier to obtain oxygen from the air than from water.
- There is more amount of oxygen in the air as compared to the amount of oxygen present in the water. Hence, terrestrial oxygen has more free air available for them whereas aquatic organisms have less amount of organism.
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Answer:
Adaptation of terrestrial organism over aquatic organism for efficient uptake of oxygen from air –
(i) Increased respiratory surface area.
(ii) Very fine and delicate surface for easy exchange of oxygen and carbon – dioxide.
(iii) Placement of respiratory surface within the body for protection
(iv) Mechanism for moving the air in and out of respiratory surface where the oxygen is absorbed.
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