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Which is an adaptation that helps birds maintain a stable body temperature?

air sacs connected to lungs
large chest muscles
down feathers
nearly hollow bones

User Chriswhite
by
5.3k points

2 Answers

9 votes
Which is an adaptation that helps birds maintain a stable body temperature?

down feathers
User Misch
by
4.6k points
11 votes

Answer:

the answer is down feathers. Or C

Step-by-step explanation:

I just took the unit review test