tool use

tool use - Courtney Peterson BAA 180S Ape/Human Transition...

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Courtney Peterson BAA 180S – Ape/Human Transition December 4, 2007 Hominid Tool Use Much of the power point referenced different tool uses and examples from the Oldowan tool industry as well as the role of hand morphology in its use. The problem of paleontologists studying this tool industry is that a variety of species may have been able to use it, not just one Homo . Over time the phalanges have become shorter and straighter and the thumb has become longer in humans. The overall effect is that of decreasing the amount of distance between the thumbs and fingers, which results in both a more precise and strong grip. We reviewed important anatomical references for understanding the morphology of the hand and differentiated between the precision grip and the power grip, the latter of which is considered more primitive. The anatomical differences between the modern ape and human hands allow for humans to use a
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tool use - Courtney Peterson BAA 180S Ape/Human Transition...

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