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Cellular Microbio.

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Sci-Ed Fact: How Did HUMANS Evolve? Evolution of the Homo lineage of modern humans (Homo sapiens) began with the hunter of nearly five feet tall, Homo habilis, who is widely presumed to have evoloved from an australopithecine ancestor. Near the beginning of the Pleistocene (2 million years ago), Homo habilis was transformed into Homo erectus (Java Man), who used fire and possessed culture. Middle Pleistocene populations of Homo erectus are said to show steady evolution toward the anatomy of Homo sapiens (Neanderthals, Cromagnons, and modern humans), 120,000 to 40,000 years ago. Pre-modern Homo sapiens built huts and made clothing.

(The Handy Science Answer Book - Carnegie Library of Pittsburg)

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