The invasion of the land by amphibians posed a number of challenges requiring evolutionary innovations.Which one of the following does not match a challenge with an adaptation to meet that challenge?
A) The force of gravity was greater without water's buoying effect-evolution of well-muscled legs.
B) The force of gravity was greater without water's buoying effect-evolution of lungs and cutaneous respiration.
C) Additional O2 needed for larger muscles-three-chambered heart and pulmonary circuit.
D) Eggs dry out in terrestrial environment-evolution of amniotic egg.
E) Less O2 available in air versus water-evolution of lungs and cutaneous respiration.
Correct Answer:
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