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hollisterrock4l hollisterrock4l
wrote...
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10 years ago
Aquatic animals are more efficient at extracting oxygen during ventilation than are terrestrial animals. This is because...

A. There is less oxygen available in water than in air.

B. Less energy is required to ventilate gills than lungs.

C. Aquatic animals lose ions to the environment.

D. Gills have thinner cells than alveoli.
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wrote...
10 years ago
Hi hollisterrock4l,

I think it's A.

Best,
Laser
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