What advantages does a terrastrial animal have with regard to obtaining oxygen for respiration?
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Animals living in water need use the oxygen dissolved in water. However the amount of dissolved oxygen is fairly low compared to the amount of oxygen in the air. Hence, the aquatic organisms has much faster rate of breathing. Terrestrial organisms, on the other hand, obtain oxygen from the oxygen - rich atmosphere through respiratory organs. So, they breathe at a lesser rate than aquatic organisms. Thus terrestrial organisms can facilitate better utilization of food by way of respiration.
hope it helpz...........
regards William.......
your answer....
Animals living in water need use the oxygen dissolved in water. However the amount of dissolved oxygen is fairly low compared to the amount of oxygen in the air. Hence, the aquatic organisms has much faster rate of breathing. Terrestrial organisms, on the other hand, obtain oxygen from the oxygen - rich atmosphere through respiratory organs. So, they breathe at a lesser rate than aquatic organisms. Thus terrestrial organisms can facilitate better utilization of food by way of respiration.
hope it helpz...........
regards William.......
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♤The amount of oxygen dissolved in water is fairly low as compared to the amount of oxygen present in air.
♤ the rate of breathing in aquatic organisms is much faster than that seen in terrestrial organisms.
♤ Fishes take in water through there mouth and force it past the gills where the dissolved oxygen is taken up by the blood.
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