Question

Write the general characters of class Aves.

Answer 1

General characters of Class Aves :

• Presence of feathers,
• Presence of beak,
• Forelimbs modified into wings,
• Hind limbs modified for walking, swimming, clasping.
• Skin is dry and non-glandular,
• Pneumatic bones,
• Digestive system has crop and gizzard,
• Homeotherms or warm blooded,
• Oviparous,
• 4-chambered heart,
• Respiration by lungs,
• Sexes are separate,
• Fertilisation is internal and development is direct.