Discovery and exploration1 (1)

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  • Discovery and exploration1 (1)

    1. 1. Discovery and Exploration Dr. Romero
    2. 2. • I. Early Migrants • Background of land – Oldest rock dates back (3 billion years ago) – Pangaea • Break up 180 million years continental drift process • 1st human beings – Ancestors evolved in Africa • 5 million years ago
    3. 3. – Homosapians began migration • 300,000-100,000 years ago • Cultural changes – Abstract thinking – Fire, tools, clothing – Race » Types » Caucasian,Mongoloid, » Negroid – Pleistocene Ages • 4 ice ages ( 2 million-10,000 year) – Major movement • • • • Bering strait-land bridge Paleo-Indian ( 12,000-8,500 B.C.E) Way of life Languages ( Amerind, Nadene, Inuit)

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