Multiple Choice
Why is gas exchange in an aquatic environment more challenging than gas exchange in the air?
A) The countercurrent exchange process limits the amount of oxygen that can be extracted from water.
B) The large surface area of gills makes them more susceptible to drying out.
C) Gills have a poor blood supply.
D) Less oxygen is available in water than in air.
E) Carbon dioxide is eliminated by active transport in an aquatic environment.
Correct Answer:
Verified
Correct Answer:
Verified
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