Question

Differentiate nature of the skin in four classes of tetrapod

Answer 1

The nature of skin present in the four classes of tetrapoda :-
1) Class Amphibia- The skin is thin, moist glandular and respiratory
2) Class Reptilia- They possess dry and non glandular skin with horny scales
3) Class Aves- Their skin is dry and non glandular with feathers
4) Class Mammalia- They possess glandular skin with hair