What event in history led to the the dark-colored peppered moth being better able to survive than the lighter-colored variety?
A)
The pollution from the Industrial Revolution darkening the trees.
B)
The lighter-colored moths had a shorter life span.
C)
The dark-colored moths were physically stronger.
D)
The dark colored moths were more intelligent.

Question

What event in history led to the the dark-colored peppered moth being better able to survive than the lighter-colored variety?
A)
The pollution from the Industrial Revolution darkening the trees.
B)
The lighter-colored moths had a shorter life span.
C)
The dark-colored moths were physically stronger.
D)
The dark colored moths were more intelligent.

anonymous · Answer

A) The pollution from the Industrial Revolution darkening the trees.  After the trees darkened from all the soot in the air, the white moths were easier to see and more vulnerable to predators.  The dark moths blended into the dark tree bark.