Question

Name two adaptations in birds that help them deal with drag in the air.​

Answer 1

1. lightweight, smooth feathers – this reduces the forces of weight and drag. a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight.
2. an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust.

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Answer 2

Explanation:

lightweight, smooth feathers – this reduces the forces of weight and drag. a beak, instead of heavy, bony jaws and teeth – this reduces the force of weight. an enlarged breastbone called a sternum for flight muscle attachment – this helps with the force of thrust.