Question

what are the modifications that are observed in birds that help them fly?​

Answer 1

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➣ Birds have undergone many structural adaptations or modifications to suit their aerial life. Some of these adaptations are as follows:

• 1.They have a Streamlined body for rapid and smooth movement.
• 2.Covering of body with feathers for insulation.
• 3.Their forelimbs are modified into wings and their hind limbs are used for walking, perching, and swimming.
• 4.The presence of pneumatic bones to reduce weight.
• 5.Presence of additional air sacs to supplement respiration.

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