Multiple Choice
A maple tree's seeds occur in pairs that are enclosed and attached to flat "wings" that are made of a papery tissue. The wings' shape allows them to spin in the air as they fall from the tree; this unusual motion has earned them the nickname "helicopter seeds." Maple tree seeds are most successful when they are dispersed by
A) wind.
B) water.
C) mammals.
D) birds.
Correct Answer:

Verified
Correct Answer:
Verified
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