Why can't amphibians be entirely terrestrial?
A) Their digestion is adapted for consuming aquatic prey.
B) They do not have lungs but instead have gills that require water for gas exchange.
C) They have a three-chambered heart that is not efficient enough for terrestrial life.
D) Their reproduction requires water to allow fertilization and keep eggs moist.
E) Their limbs are not adapted to support their bodies on land.
Correct Answer:
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