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IsItJustMe

(7,012 posts)
8. My guess is that most of it was being at the right place at the right time.
Thu Dec 17, 2020, 02:25 PM
Dec 2020

Africa went through some serious climatic weather changes in the last 6 million years. This caused enormous desserts, redistribution of animal populations, and probably the extinction of numerous lineages of the genus Homo.

Beyond that, I am sure that competition for resources and tribal warfare took out much of the rest. Other species of Homo, such as Neanderthals and Denisovans, may have simply been dissolved into the Homo sapien species, since modern day Homo sapien DNA includes both.



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