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Hominids with the same anatomy as modern humans first appear in the fossil records about 200,000 years ago. They existed alongside earlier species that became extinct, as well â¦ as with the separate Neanderthals, with whom some interbreeding may have occurred. Answered.
Thursday 24 March 2011 14.01 EDT First published on Thursday 24 March 2011 14.01 EDT. Humans first arrived in North America more than 2,500 years earlier than previously thought, according to an analysis of ancient stone tools found in Texas. And the people who left them appear to have developed a portable toolkit used for killing and preparing meat.