Multiple Choice
Where a given species of vertebrate lives has dramatically shaped the evolution of respiratory adaptations,particularly since the oxygen concentration in air is approximately 20 times that of the oxygen concentration in water.Per unit area of gas exchange surface,which group of vertebrates can extract the greatest total amount of oxygen from the external medium?
A) amphibians
B) birds
C) fish
D) mammals
E) reptiles
Correct Answer:
Verified
Correct Answer:
Verified
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