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| Description: A Ardipithecus ramidus. The painting (right) is based on a 4.4 million-year-old Ethiopean fossil known as Ardi (left). A. ramidus may have walked upright on the ground but also climbed on all fours along branches. C Australopithecus afarensis. This individual, known as Lucy, lived 3.5 million years ago. She belonged to a species of early australopiths that may be ancestral to humans. Picture Stats: Views: 46 Filesize: 934.59kB Height: 1132 Width: 1875 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47978 Keywords: Ardipithecus ramidus, Lucy (Australopithecus afarensis) |