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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.

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.