Question

Give to silent features Aves?

Answer 1

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Characteristics of Class Aves are given below:

1) The members of class aves are commonly known as birds.

2) They are worm-blooded with an exoskeleton of feathers.

3) Body usually spindle shaped, with four divisions: head, neck, trunk, and tail; neck disproportionately long for balancing and food gathering.

4) Limbs paired; forelimbs usually modified for flying; posterior pair variously adapted for perching, walking, and swimming; foot with four toes.

5) Epidermal covering of feathers and leg scales.

6) Thin integument of epidermis and dermis.

7) No sweat glands.

8) Oil or preen gland at base of tail.

9) Pinna of ear rudimentary.

10) Fully ossified skeleton with air cavities.

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