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Was “Ardi” not a human ancestor after all? New review raises doubts
February 16th, 2011 |
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Genetic findings often underscore the notion that organisms with similar-looking body parts aren’t always close evolutionary relatives. Wings for flying or sharp teeth for ripping into food can be the result of convergent evolution, in which natural selection results in similar-looking solutions to problems faced by different species—whether they are distantly or closely related. Teasing [...]
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