blogs.polson.k12.mt.usblogs.polson.k12.mt.us/dobrien/files/2010/09/09... · erectus) around 700,000...
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blogs.polson.k12.mt.usblogs.polson.k12.mt.us/dobrien/files/2010/09/09... · erectus) around 700,000 years ago' After the split, the two groups appear to have had Very little contact