Write a short note on mammals.

Explanation

i.Presence of mammary glands is the typical character of members belonging to class Mammalia.
ii. Exoskeleton is in the form of hairs or fur.
iii. They are warm blooded animals.
iv.Their body is divided into head, neck, trunk and tail.
v.Digits of mammals are provided with nails, claws or hooves. For e.g. Elephant, human, kangaroo, dolphin, bat, etc.