brossapo000 brossapo000

15-10-2016
Biology

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the bones of a bird are hollow why would this be an disadvantage for a bird

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15-10-2016

hollow bones are always a disadvantage because it means that they are less sturdy and easier for predators to break.

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deniseleanne deniseleanne

15-10-2016

They are weaker and could get hurt easily if they fall

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