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First molars provide insight into evolution of great apes, humans
Date:12/28/2009

gutans and that leading to modern humans," says Schwartz.

The work by Kelley and Schwartz also has implications for understanding the evolution of human life history. "We can use the same techniques to calculate ages at first molar emergence from the fossils of early hominids that just happened to die while their first molars were erupting," says Kelley. "The close correspondence between age at first molar emergence and the timing of life history events that we found in great apes and modern humans means that we can have confidence that first molar emergence ages in the early hominids will provide equally accurate knowledge about their life histories."

Their findings are detailed in the article "Dental development and life history in living African and Asian apes."


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Contact: Carol Hughes
carol.hughes@asu.edu
480-965-6375
Arizona State University
Source:Eurekalert

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