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Natural Selection CER

Go to https://askabiologist.asu.edu/games-sims/peppered-moths-game/play.html Click “light forest” . You are the bird - eat as many moths as you can for 1 minute. At the end of the minute, record the percentage of light moths and the percentage of dark moths.

England was experiencing what is known as the Industrial Revolution. Factories were being built, and they ran by burning coal for fuel. The result was a dark smoke that covered the surrounding countryside. Trees that had been light and covered by lichens now were dark and bare.

Click “new game” and choose “dark forest”. Eat as many moths as you can for 1 minute, then record your percentage of light moths and the percentage of dark moths.

Question 1

Essay

Use the concept of “natural selection” to explain how the industrial revolution changed the population of light and dark moths.

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