PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
Mention the feature that help a bird to fly is the air?
 
a. Birds have a  that is covered with feathers.
 
b. The body shape of the birds to air during flight.
 
c. The  of the birds are well-developed and modified into wings for flying.
 
d. They have  that contain air cavities and thus are . These bones reduce the body weight of the birds.
 
e. Birds have strong and well-developed  that help withstand the air pressure while flapping the wings during flight.