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Microbe Clock

Grades: 9-12
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With each passing generation, mutations accumulate in the DNA of living cells. Among bacteria, which have very short lifespans, new mutations arise very rapidly ...

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Accessibility: Textual, Visual

Permitted use: Stream Only

©2003 WGBH Educational Foundation. All Rights Reserved.

Benchmarks for Science Literacy
NSTA National Science Education Standards


Evolution Web site


©2001 WGBH Educational Foundation and Clear Blue Sky Productions, Inc. All rights reserved.

Project Credits

Producer: Clear Blue Sky Productions-grayscale


Contributor: WGBH Educational Foundation-grayscale

Funder: National Science Foundation-grayscale

Producer: WGBH Educational Foundation-grayscale