Question

What are the modifications that are observed in birds that help them in flight?

Answer 1

(a) Birds have feathers which help them to fly.
(b)Forelimbs are modified into wings for flight.
©The avian flight muscles are used for flying.
(d)The long bones are hollow and connected to air cavities to reduce weight.
(e)The bones are light.
(f)Feathers decrease water loss from body.
(g)High metabolic rate to lift body from ground.

Answer 2

HLO MATE HERE IS UR ANSWER

⭐. Birds are masters of air. Almost every part of their body is suited for flight.

❤. FLIGHT ADAPTATIONS OF BIRDS ❤

⭐. Body of birds is boat shaped with reduced tail.

⭐. Exoskeleton consists of epidermal feathers.

⭐. Feathers are light in weight and provide support air .

⭐. Eyes are large with sclerotic plates and comb like pecten.

⭐. Skin is dry without glands ,except preen gland in the tail.

⭐. Forelimbs are modified into wings.

⭐. Bones are pneumatic (weight reduction) with extensions of air sacs.

⭐. All modern flying birds are provided with powerful breast muscles.

⭐. Air sacs , attached to lungs , provide continuous oxygenation.

⭐. Syrinx is voice box .

⭐. Olfactory lobes are reduced in brain.

⭐. Posterior caudal verebrae are fused to form pygostyle which helps in movement of tail feathers.