Understanding Evolution Cartoon (IMAGE)

American Association for the Advancement of Science (AAAS)

Understanding Evolution Cartoon

Caption

Evolution is not need-based. A cartoon from the Understanding Evolution Web site (www.understandingevolution.org) reinforces the idea that natural selection is a mechanistic process and doesn't operate based on need or effort.

Credit

[Image © 2010 The University of California Museum of Paleontology, Berkeley, and the Regents of the University of California]

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