rita20
rita20 rita20
  • 25-01-2017
  • Biology
contestada

Birds have hallow bones . Explain how this is adaptive ? Help!!!!!

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ImOwl
ImOwl ImOwl
  • 25-01-2017
 This gives them the ability to fly. Solid bones would be to heavy for flight.
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heyhey8jdjsk
heyhey8jdjsk heyhey8jdjsk
  • 25-01-2017
It is adaptive because it gives the birds The ability to fly
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