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I. Before Columbus

I. Before Columbus. A. First Americans 1. 50 million to 300 million in Americas 2. Theories of Arrival a. Rain Cycle i. evaporation ii. condensation and return to sea iii. currents

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I. Before Columbus

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  1. I. Before Columbus A. First Americans 1. 50 million to 300 million in Americas 2. Theories of Arrival a. Rain Cycle i. evaporation ii. condensation and return to sea iii. currents a. clockwise in northern hemisphere b. counter-clockwise in southern hemisphere i. Ice Age 11,000-9,000 BC a. exposed land b. Land Bridge Theory i. wild grazing animals and grass ii. predators c. Other theories?

  2. d. evidence i. Clovis, NM 9,500 BC (Clovis points) ii. Arlington Springs woman 11,000 BC 3. Hunters and Gatherers a. division of labor by gender i. Males – hunters ii. Females – gatherers b. technology i. Stone and bone tools ii. Some knowledge of metals & agriculture a. copper, silver, & gold iii. Domesticated Animals

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