Question

Give characters of class mammalia.

Answer 1

General characteristics of class mammalia:

• These animals are warm blooded, hairy and have mammary or milk producing glands, (mammary glands). They are the only animals which nourish their young ones with milk.
  
• They are homoiothermous (warm blooded).
  
• Oil glands (sebaceous glands) and sweat glands (sudoriferous glands) are present in the skin.
  
• Teeth are of different types (heterodont) and are embedded in the sockets of jaws (the codont).
  
• The heart is four chambered.