Virtual Peppered Moths
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   In this simulation of  natural selection, an equal number of light and dark Peppered Moths are released in a forest. You are a bird in the forest, trying to eat as many moths as possible. To eat, click on the moth. The current population of light and dark moths are shown at the bottom of the screen.

Release Peppered Moths in a lichen covered forest

Release Peppered Moths in a dark, soot covered forest

This simulation requires Shockwave. Click to Download
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provided courtesy of Fort Bend ISD Sugar Land TX