The Discovery of The Dikika Baby Fossil as Evidence for Australopithecine Growth and Development
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When scientists discovered a 3.3 million-year-old skeleton of a child of the human lineage (hominin) in 2000, in the village of Hadar, Ethiopia, they were able to study growth and development of Australopithecus afarensis, an extinct hominin species. The team of researchers, led by Zeresenay Alemseged of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, named the fossil DIK 1-1 and nicknamed it Dikika baby after the Dikika research site. The Dikika fossil preserves much of the skull, including the jaw and teeth, which enabled scientists to study the teeth microstructures and to reconstruct the pace at which individuals of the hominin A. afarensis developed.