Question

Give any three characters of class Mammalia.

Answer 1

Characters of mammals are -

1. Mammals are animals which are warm-blooded with four-chambered hearts.
2. Most mammals give birth to young ones (viviparous).
3. The females have mammary glands which help them to produce milk to feed their younger ones.
4. Oil glands (sebaceous glands) and sweat glands (sudoriferous glands) are present in the skin of mammals.
5. Examples of mammals are humans, whales, dogs and mice etc.