Two Points Made About Human Evolution

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Two points made about human evolution are that as the ice sheet retreated, Europe was the first repopulated by prehistoric humans from southwest Europe and in a second event about 14,000 years ago, populations from the southeast spread into Europe, displacing the first group of humans.

About 45,000 years ago modern humans arrived in Europe and caused the demise of Neanderthals, which is shown by the disappearance of Neanderthal tools. As sheets retreated after the Ice Age about 19,000 years ago, prehistoric humans spread back into northern Europe.

Genetic data show that, beginning 37,000 years ago, all Europeans came from a single founding population. This branch seemed to have been displaced in most parts of Europe around 33,000 years
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