The item about the plant is similar to something we learned in middle school and high school: The peppered moth’s coloring helped it be camouflaged on trees with light shades of bark. The industrial revolution started, and air pollution darkened the bark of light colored trees. Dark pepper moths became more common, and light pepper moths less common.
The item about the plant is similar to something we learned in middle school and high school: The peppered moth’s coloring helped it be camouflaged on trees with light shades of bark. The industrial revolution started, and air pollution darkened the bark of light colored trees. Dark pepper moths became more common, and light pepper moths less common.