class12terms - dart thrower also known as the atl-atl or...

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dart thrower also known as the atl-atl or spear thrower; a stick-like device with a barb on the end, that lengthens the arm and thus allows the spear to be thrown a much longer distance and with much greater force. Common in the Old World Upper Paleolithic biotic potential, law of Rule stating that most organisms have the potential to produce far more offspring than can possibly be supported by their environments, one of the basic principles of evolution by natural selection. blade tool, blade Stone tool at least twice as long as it is wide; blade tools dominate the tool traditions of the Upper Paleolithic. The basic Upper (recent) Paleolithic stone tool type, made by carefully preparing a core (as of obsidian), then hammering off the blades bow and arrow Stringed propulsion device (bow) used with a pointed straight stick (arrow) -- the latter often being hafted with a projectile point of stone or bone. Earliest archaeological evidence is from the Stellmor site near Hamburg, Germany composite tools Tools that are made of several parts fitted together, which together deliver much more efficient power than before. For example, in the Upper Paleolithic period, several new types of
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class12terms - dart thrower also known as the atl-atl or...

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