Question

What are the changes in birds that adopt them to aerial habital?

Answer 1

Light bones :

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– a bird's bones are basically hollow with air sacs and thin, tiny cross pieces to make bones stronger – this reduces the force of weight.

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A rigid skeleton :

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to provide firm attachments for powerful flight muscles – this helps with the force of thrust.

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. A streamlined body :–

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.this helps reduce the force of drag.