Question

On the basis of the characteristics given below, name the phylum or class:
Presence of vertibral column, hairy skin and oviparous in nature _____.

Answer 1

Mammalia.

The characteristic features of mammalia are :

• Mammals are endothermic vertebrates.
  
• Have hair and fur on the body.
  
• Have mammary glands.
  

• Four chambered hearts.
  
• Have sebaceous (fat secreting glands), sudoriferus (sweat), and scent glands.
  
• Have heterodont dentation (different types of teeth).
  
• Posses diaphragm.