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  - WN.COM - Environment - 26/Jun 14:28

City living is changing rodent skulls in Chicago

Tiny rodents living in a major American city are unique examples of evolution playing out in real time. Like geologic time itself, the process of evolution itself is generally a very slow process with teeny tiny changes passed down over several generations. All of these small changes eventually result in new adaptations and potentially new species over thousands or millions of years. However, in the face of dramatic shifts in the world around them from climate change to human encroachment, species sometimes must rapidly adapt or die. One of these rapid examples of evolution was hidden away in the drawers of Chicago’s Field Museum. While comparing the skulls of common chipmunks and...

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