1.

Give adaptations in Aves for flying.

Answer»

1. In birds, the forelimbs are modified into wings for flying. 

2. They possess stream-lined body to reduce resistance during flight. 

3. Bones are hollow or pneumatic to reduce body weight. 

4. In order to reduce body weight, urinary bladder is absent. Also, females possess only left ovary and oviduct. 

5. Body is covered by feathers to facilitate flying.


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