The Top 100 General Interest Articles of the Day: Evolution of the Peppered Moth

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Item: Evolution of the Peppered Moth

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This moth has been the focus of scientific study for centuries, largely because its color changes illustrate one of the best-known models of natural selection. The moth survives by blending in with birch bark to escape the notice of hungry birds. When the Industrial Revolution blackened the trees with soot, dark moths surged in population as birds ate all the suddenly visible light ones. As air quality improved, trees lightened and light-colored moths resurged. What is this phenomenon called?

Date Published Sun, 18 Mar 2012 05:00:00 GMT

Source: The Free Dictionary

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#58

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#2 | 18/03/2012 08:01:55

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#684 | 18/03/2012 05:17:02

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18/03/2012 04:22:39

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Alias	Version	Date
	7	04:08:36 \| 19 Mar 2012

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