Birds extract more food from a lawn than from an equivalent amount of prairie because

Question

1. lawns contain more moisture than prairies
2. prairies occur at a higher elevation than lawns
3. lawns contain more food than prairies
4. temperatures are higher on lawns than on prairies
5. the prairies were once under water

I believe its #1 ? but not sure on this one !!

Answer 1

It's either 1 or 3, but you're probably right.

Answer 2

so its 1 thanks again Ms. Sue !!