Audio- Moth and Natural Selection

During the industrial revolution what happened to the trees?

According to the theory of natural selection, all types of living things have small differences between the individuals in the species

Peppered moth are examples of natural selection, why was there a shift in the color of moths from light to dark (answer can be found in the second paragraph under the Natural Selection Header)

According to Dr. Kettlewell’s heavily polluted forests would have more of what colored moths.

In the light forest which moth was easier to see?

How many total moths did you eat total after the 1 minute?

At the end of the game, what percent of the moths were light?

At the end of the game, what percent of the moths were dark?

Which color moth was more prevalent (popular) between 1850?

Which color moth was more prevalent (popular) between 1900 and 1980?

During the Industrial Revolution from 1850 to 1950, factory’s and power plants produced large quantities of soot and smog. Near industrial areas, black powder covered the surfaces including moth habitat causing the trees to tree black. Using the concept of natural selection, explain why the number of dark moths increased in number from 1850 to 1950.

Clean Air Acts were passed by the governments of industrialized nation’s beginning in the mid-1950s. The clean air act reduced the amount of pollution made by factories. This reduced the amount of soot on trees. Using the concept of natural selection, explain why the number of light moths increased after 1980.