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| Description: 26.13 Two models for the origin of H. sapiens. Arrows represent ongoing gene flow among populations. A Multiregional model. H. sapiens slowly evolves from H. erectus in many regions. B Replacement model. H. sapiens rapidly evolves from one H. erectus population in Africa, then disperses and replaces H. erectus populations in all regions. Picture Stats: Views: 76 Filesize: 302.56kB Height: 1012 Width: 1724 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47986 |