Considering we have never met a Homo habilis or an Australopithecus, how do we know about these early human species? Disciplines such as anthropology, archaeology, primatology, and history give us bits and pieces of evidence to help solve the puzzle of how humans have evolved over time. While we have learned a great deal about this topic in the last hundred years, there are still many unanswered questions and more evidence to be found!
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