Question

identify the class of animals having following characteristics.

{a}. Warm blooded having 4 chambered heart and modified forelimbs for fight

{b}. organisms having mucus glands in the skin, lack scales, respire either through gills or lungs

Answer 1

Warm blooded animals having 4 chambered heart and modified forelimbs for flight are Aves.
Animals having mucus glands in the skin, lack scales, respire either through gills or lungs are amphibia.