Question

Give Distinguish character's of class Aves

Answer 1

The general characteristics of class Aves are:

spindle shaped body with four divisions - head, neck, trunk & tail.forelimbs modified for flying.epidermal covering of feathers and leg scales.presence of beak or bill.fully ossified skeleton with air cavities.well developed nervous system.4 chambered heart.

Answer 2

Class Aves of the Sub Phylum Vertebrata of Phylum Chordata of Kingdom Animalia. This class includes the birds which are most easily seen creatures and are distributed worldwide. Their distinguishing characters are given below;

1. They are endothermic i.e. warm blooded.

2. They have their waterproof skin covered in feathers.

3. They are bipedal.

4. They have their forelimbs developed in to wings.

5. They have a beak or bill in place of teeth.

6. They are highly adapted for flight.

7. They lay hard shelled, water proof eggs.