Biology, 04.03.2021 19:40 tiannaetzel
A forest of trees with white bark is home to a species of gray moth and to birds
which prey on them. Pollution made the bark of the trees go black. Several years later most of the moths found had wings that were
a) shorter.
b) longer.
c) lighter.
d) darker.
Answers: 2
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A forest of trees with white bark is home to a species of gray moth and to birds
which prey on...
which prey on...
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