Anatomical evidence from fossilized hand bones suggests that the precision grips needed to make and use stone tools was present

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Anatomical evidence from fossilized hand bones suggests that the precision grips needed to make and use stone tools was present in Homo habilis and some australopithecines. This evidence includes the shape and proportions of hand bones found in fossils of these species. While some Homo species, including Homo erectus, also had the anatomical features suited for precision grips, it is not limited to them alone.

Anatomical Evidence from Fossilized Hand Bones Suggests That the Precision