Introduction: The 19th century was the time of the Industrial Revolution in England. Most of the new
industries used coal for energy, and the air was polluted with black soot. In forests near factories, the soot
coated trees and killed lichens. As a result, tree trunks became darker.
Experiment: Click Play and hunt peppered moths on dark tree trunks for five years. In each year, try to
capture as many moths as you can.
many
Why did the changes you observed in the moth populations
happen?

Select all that apply.
0)individual moths changed colors
0)the best-hidden moths survived an reproduced
0)the moths that survived passed their colors to their offspring
0)the moths became tastier to their predators