definition of hominin

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Hominin refers to any member of the biological family Hominidae, which includes humans and their closest extinct relatives. This grouping of species is characterized by their bipedal posture and ability to use tools. Hominins diverged from their closest relatives, the great apes, around 6 to 8 million years ago and have since evolved into various species, including modern humans (Homo sapiens) and their extinct ancestors.