Lizards Help Explain Survival of the Not-So-Fittest

Publication: National Geographic News   Date: November 24, 2004   View Article

Glance at a crowd at just about any big sporting event and you’ll notice that humans are a diverse bunch. Not only the fittest have survived.

Natural selection depends as much on behavior and environmental conditions as it does on physical prowess, as demonstrated by two studies of lizards in tomorrow’s issue of the journal Nature.

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