Question

10. Movements in bird is due to (R)​

Answer 1

Answer:

Birds were egg laying animal with feathers, wings and beak.

Birds can fly, can run, can walk, can perch, can swim as well possess various kinds of movements.

But not all the birds can fly. For example: Penguin, Ostrich cannot fly these are called flightless birds.

Fore limbs of birds were modified into wings due to which these can fly.

Hind limbs are legs due to which they can jump, walk or swim as can be seen in ducks.

The skeleton of birds is hollow to reduce weight and the breastbone muscle use to move the wings up and down.

The birds with heavy bone weight cannot fly much higher.

Explanation:

pls mark me as brainliest