Find the correct statement about class Reptilia

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Question:
Find the correct statement about class Reptilia

1.dry and cornified skin, epidermal scales and absence of external ears

2.marine habitat, endoskeleton is cartilaginous and have placoid scales

3. fresh-water habitat, bony endoskeleton and air-bladder for buoyancy

4.moist skin and body is devoid of scales, the ear is represented by the tympanum

Posted Date:-2021-02-22 13:38:30


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