Question

Give the adaptations of birds,which help them to fly? ​

Answer 1

Answer:

Explanation:

Birds have feathers that help them fly. The long flight feathers on the wings and tail help birds balance and steer. In addition, birds have a system of air sacs in their body that connect to the lungs. The air sacs enable birds to extract much more oxygen from each breath of air than other animals can.

Answer 2

Explanation:

1. streamlined boat shaped body.

2. modification of forelimbs to form wings.

3.special arrangements of feathers on wings to provide the lift.

4.presence of flight muscles.

5.reduced body weight