Question

mention the 3 characteristics of class mammalia​

Answer 1

Explanation:

The three characteristics are mammary glands, hair and three middle ear bones. Other characteristics often thought to be unique to mammals are found in other species including birds, insects and reptiles.

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.