Question

Give the characteristics of aves.

Answer 1

Aves

1. The Aves belong to the phylum Chordata of the animal kingdom.
2. Aves are adapted to fly.
3. All the birds come in the class Aves.
4. They show courtship, parental care, nest building, and territorial behaviour.

Characteristics of Aves

1. Birds are warm-blooded animals.
2. Their forelimbs are modified into wings.
3. They have well-developed flight muscles that help during the flight.
4. Their hind limbs are adapted for walking, hopping, perching, grasping, wading and swimming.
5. There are epidermal scales on their legs.
6. The endo skeleton is bony with long hollow bones filled with air cavities. known as pneumatic bones.
7. Their spindle-shaped body minimises resistance of the wind.
8. The feathers help in preventing heat loss and reduce air friction by providing passage to the air.
9. There is no skin gland except the oil gland.
10. The lower and upper and jaws are modified into a beak.
11. They have no teeth.