Sharks anrays belong to the
A) birds.
B) amphibians.
C) cartilaginous fishes.
D) bony fishes.
E) reptiles.
Correct Answer:
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A)remodeling of body
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A)ectothermy
B)body air
C)lung
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A)a respiratory system.
B)jaws.
C)fins.
D)a respiratory
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