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The charecteristic of class Reptilia are 

Option: 1

Body covered with moist skin devoid of scales , ear is represented by tympanum 


Option: 2

Fresh water animals with bony endolskeleton , air bladder to regulate buoyancy 


Option: 3

Marine animals with cartilaginous endoskeleton , body covered with placoid scales 


Option: 4

Body covered with dry and cornified skin , scales over the body are epidermal , do not have extrernal ear 


Answers (1)

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As we have learned

Body of reptilia -

Body is covered by dry and cornified skin, epidermal scales or scutes. Tympanum is present and have external ear opening.

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 External ear , pinnae is absent 

 

Posted by

Devendra Khairwa

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