Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

Presence of feathers and hollow bones with air cavities are the adaptive features of birds.how these feathers are helpful to them.



Air cavities in bones make them less denser . So the bird wont be facing any problem with the mass of the bones. It will enable them to fly high. Feathers will make their flight through air easy by providing less friction . The flight through air is really challenging one. The shape of the body of bird enables them to pierce through the air easily with less friction. Feathers along with it will decrease friction. It will allow the flow of air without providing any sort of hindrance
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts