How do birds fly?
Ans 1:
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Class : Class 7
Hollow bones to reduce body mass , feathers covering their body ,a stream lined body with powerful tail and wings with powerful muscles are the adaptations in birds for for flying.
Ans 2:
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Ans 3:
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Class : Class 5
Birds have a proper body structure. There bones are light. They have feathers which helps them to fly. They use there tails as rudders to change direction.
Ans 5:
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Ans 6:
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Soundharya
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ISWK, Muscat
Class : Class 8
Birds have hollow bones which make them light. They also have streamlined body which help them to fly in the air.