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aleksley [76]
2 years ago
14

Birds having hollow bones to make them lighter for flight, is what type of adaptation?

Biology
2 answers:
marin [14]2 years ago
6 0
Physical because it is a physical change to adapt to it's nature.
Fofino [41]2 years ago
5 0
It is physical! I am sorry if I am to late. Everyone who see this I hope you have a amazing day!!
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