A. Lungs and spiracles
B. Root hairs and mammalian hairs
C. Feathers and scales
D. Contractile vacuole and Kidneys
Correct Answer: Option B
B. Root hairs and mammalian hairs
A. Lungs and spiracles
B. Root hairs and mammalian hairs
C. Feathers and scales
D. Contractile vacuole and Kidneys
Correct Answer: Option B
B. Root hairs and mammalian hairs
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