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Skeletons Reveal Human and Chimpanzee Evolution


Comparing features of a 4.4-million-year-old fossil skeleton to those of human and chimpanzee skeletons sheds light on our evolutionary history.

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Phylogenetic trees illustrate the evolutionary relationships of organisms. Careful anatomical comparisons generate important data for understanding evolutionary relationships. Also featured on the HHMI DVD Stones, Bones, and Genes: The Origins of Modern Humans, available free from HHMI.

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