cook211 cook211
  • 19-01-2018
  • Biology
contestada

unlike humans bones, some bird bones have air filled cavities. What advantage does this give birds?

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alitakat02 alitakat02
  • 19-01-2018
It makes them lighter so they are able to fly more easily :)
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denaeroebuckoupbll
denaeroebuckoupbll denaeroebuckoupbll
  • 19-01-2018
It gives them the advantage to fly, hunt, and get away from predators. 
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