What was most key in the transition of fish into amphibians?
A) limbs only
B) both lungs and limbs
C) lungs only
D) fins only
E) both lungs and fins

Name: What was most key in the transition of fish into amphibians? A) limbs only B) both lungs and limbs C) lungs only D) fins only E) both lungs and fins
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Question

Quizplus · Accepted Answer

Lungs are needed for efficient gas exchange, especially once animals left standing water even on a part-time basis, and limbs are usually needed on land for efficient transportation.

What Was Most Key in the Transition of Fish into Amphibians