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How different are Homo sapien sapiens from Homo sapiens?
How were these other species different from Homo sapiens?
Each of these species had their own unique physical and cultural characteristics. For example, Neanderthals had a more robust build and a larger brain than Homo sapiens, and they likely had their own language and culture. Homo erectus, on the other hand, was an earlier ancestor of modern humans and had a more primitive anatomy and lifestyle.