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Evidence of a chimpanzee-sized ancestor of humans but a gibbon-sized ancestor of apes [Nature Communications]

Keywords : biological anthropology, phylogenetics

par Frédéric Magné - publié le

Body mass directly affects how an animal relates to its environment and has a wide range of biological implications. However, little is known about the mass of the last common ancestor (LCA) of humans and chimpanzees, hominids (great apes and humans), or hominoids (all apes and humans), which is needed to evaluate numerous paleobiological hypotheses at and prior to the root of our lineage. Here we use phylogenetic comparative methods and data from primates including humans, fossil hominins, and a wide sample of fossil primates including Miocene apes from Africa, Europe, and Asia to test alternative hypotheses of body mass evolution.(...)

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