Question

On the basis of characteristics given below name the phyIum or class for each:
Feathered vertebrates ____.

Answer 1

Phylum - Chordata

Class - Aves

The general characteristics of class Aves are:

• Streamlined body with four divisions - head, neck, trunk & tail.
  
• forelimbs modified for flying.
• Exoskeleton is made of feathers
  
• presence of beak or bill.
  
• fully ossified skeleton with air cavities.
  
• well developed nervous system.
  
• 4 chambered heart.