what are the modificatios observed in birds that helped them to fly?
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Explanation:
(a) Birds have feathers which help them to fly. (b)Forelimbs are modified into wings for flight. (c)The avian flight muscles are used for flying.
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Answer:
Birds evolved not only wings, but many other adaptations that make it possible to fly. Feathers provide insulation, waterproofing, and a lightweight means to become airborne. Birds have honeycombed or hollow bones, reducing body weight.
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