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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.
Image caption The fossil's teeth are smaller than those of other human relatives. Scientists have unearthed the jawbone of what they claim is one of the very first humans. The 2.8 million-year-old specimen is 400,000 years older than researchers thought that our kind first emerged. The discovery in Ethiopia suggests climate change spurred the transition from tree dweller to upright walker.