Amphibians are NOT considered to be fully adapted to life on land because
A) they are dependent upon water for external fertilization.
B) their skin is used for respiration.
C) they have hopping legs.
D) their skin is used for respiration
E) most amphibians live their entire lives in water.
Correct Answer:
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A)have bone skeletons.
B)lack jaws.
C)have a keen sense
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A)bipedal.
B)all birds.
C)warm-blooded
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