Question

What is the modifications that are observed in birds that help them to fly?

Answer 1

1.streamlined body for rapid and smooth movement
2.covering of fathers for insulation
3.forelimbs modified into wings and hind limbs used for walking,perching and swimming
4.presence of pneumatic bones to reduse weight
5.presence of additional air sacs to supplement respiration

Answer 2

We all know that the flying is the main locomotory process of most of the birds.

To ensure a smooth and hassle free flight,there are different types of Biological modifications observed in the body of the birds.

For example:

1) The body shape of the bird is aerodynamic.

2) The body of the bird is covered with feathers.

3) The bones of the bird are light and hollow.

4) The less necessary organs are not present in the bird anatomy,in order to reduce the body weight.

And many more.