Correct characteristic of class reptilia are

Options

A. Fresh water animals with bony endoskeleton, air bladder to regulate buoyancy.
B. Marine animals with cartilaginous endoskeleton, body covered with placoid scales.
C. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.
D. Body covered with moist skin which is devoid of scales, the ear is represented by tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca.

Answer

C

Explanation

* Fresh water animals with bony endoskeleton,a ir bladder to regulate buoyancy: Osteichthyes
* Marine animals with cartilaginous endoskeleton body covered with placoid sclaes: Chonderichthyes
* Body Covered with dry and cornifies skin, scales over the body are epiderma, they do not have external ears : Reptilia
* Body covered with moist skin which is devoid of scales, the ear is represented by tympanum, alimentary canal, uninary and reproductive tracts open into a common cloaca: Amphibia.