Ar4ia2Ypnataliajum Ar4ia2Ypnataliajum
  • 03-12-2016
  • Biology
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Birds have hollow bones. explain how this is adaptive.

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RRufus RRufus
  • 03-12-2016
birds have hollow bones due to the fact thay need to be as light as possible for their wings to generate enough lift for them to fly
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