Question

Classification of mammalia

Answer 1

Answer:

Since mammals are of different types they are classified into three subclass based on their reproduction. They are Eutheria, Metatheria and Prototheria.

Answer 2

Characteristics of mammalia :

• Mammals are warm-blooded animals having hairs on body.
• They have four chambered heart.
• They have mammary glands for the production of milk to nourish their young ones.
• Skin has sweat or oil glands.