Question

What are the modifications that are observed in birds that help in flying?

Answer 1

Answer:

1. one of the main modifications is the feather that covers the body of a bird which helps to decrease body weight,
2. next is the keel bone
3. the air sacs which increases Buoyancy
4. besides these the muscles also help in flying (pectoralis major, pectoralis minor etc) the sercosome i.e. the mitochondria in wing muscles also helps to produce more energy for flying

hope this will help you

thanks

PLEASE MARK THIS AS BRAINLIEST ANSWER

PLEASE

Answer 2

The modifications that are observed in birds that help in flying are streamlined in the body and pneumatic bones.

How do the modifications help the birds to fly?

• Due to streamlining body birds are easily moved from one place to other
• Pneumatic bones present in birds due to which birds are very light in weight
• Birds have air sacs in their body due to which they easily respire
• Forelimbs in birds are modified to wings
• Hind limbs are present in birds so that they can easily walk and swim