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Genus including humans, in which stone tools were first made by. Started because of habitual stone toolmaking and use-expansion of the brain, modification of the female pelvis to accommodate bigger-brained babies, and reduction in the teeth, face, and jaws. |
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| A technique tools were made with by striking a stone with anoter stone. |
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Oldest cultural materials from Olduvai (Bed 1) date from Lower Pleistocene times (about 1.6 million years ago). Including core tools and sharp-edged flakes. Flake tools predominate. |
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Unifacial Tool Bifacial Tool |
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Whenever a stone has facets removed from only one side of the cutting edge it is called a unifacial tool. If it has facets removed from both sides it is a bifacial tool. |
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| A chipped rock tool or something. |
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Homo habilis Homo rudolfensis |
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Two species of Genus Homo Both are known primarily from the western parts of Kenya and Tanzania, but remains have been found elsewhere in eastern adn southern Africa. 1. Earlier of two species. 2.3 mya Significantly larger brain. Partially arboreal. Sexually Dimorphic. 2. Shares many of the same features some scientists lump the two together. Larger and more thickly enameled cheek teeth. Flatter and broader face, more modernlike limb proportions. |
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First hominid species to be widely distributed in the Old World. Evolved very shortly after Homo habilis about 1.8 million years ago. Examples first found in Java, later in China, and later in Africa. Most paleoanthropologists agree that some human ancestor moved frmo African to Asia at some point. |
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| The Homo erectus skull had a rounded ridge running along the crest of the skull forming a unique pentagonal shape when viewed from the front. |
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| A ridge of bone running horizontally along the back of the Homo erectus skull. Adding to the skull's overall long shape. |
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An enlarged pulp cavity of the molars. May have allowed the teeth to withstand harder use and wear than the teeth of the modern humans. Homo erectus |
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Forward Thrusting as in the upper and lower jaw of the earlier Homo's. Homo erectus face was less prognathic. |
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| A distinct species closely related to Homo erectus. Only been found on the Indonesian island of Flores. All are tiny (stood approx 3 feet tall) very small brains. However brain structure similar to Homo erectus. |
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| A socially recognized sexual and economic bond between two individuals that is intended to continue throughout the lifetimes of the individuals and to produce socially accepted children. |
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| The stone tool traditions of Homo erectus are traditionally called Lower Paleolithic. These stone tool traditions involve "core" tool techniques, in which a core of stone, rather than a flake, is used as the basic raw material for finished tools. |
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A stone toolmaking tradition named after the site at St. Acheul, France, where the first examples were found. Have more large tools created occording to standardized designs or shapes in contrast to Oldowan. |
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| One of the most characteristic and common tools in the Acheulian tool kit, which is a teardrop-shaped, bifacially flaked tool with a thinned sharp tip. |
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| Bone or antler hammer used to make tools that are wider and flatter. |
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| Rock against rock hammer have limits in terms of their sharpness and form, because onnly large and thick flakes can be made with a hard hammer technique. |
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