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A Land bridge to America. Standard 2.4 E.Q. How did people original come to the Americas? . Land Bridge. American continents include North and South America. Connected and span two hemispheres, form the frigid Artic Circle.
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A Land bridge to America Standard 2.4 E.Q. How did people original come to the Americas?
Land Bridge • American continents include North and South America. • Connected and span two hemispheres, form the frigid Artic Circle. • Experts believe that first people came to the America from Asia over this land bridge. • Beringia: The land bridge.
Peopling the Americas • First American arrived sometime toward the last Ice Age, lasted roughly 1.9 million to about 10,000 B.C. • Build up of glaciers locked up huge amounts of earth’s water. • Lowed sea levels and created a land corridor between Asia and Alaska across what is now the Bering Strait.
Peopling of Americas • Herds of wild animals from Siberia, including the mammoth, migrated across the plains of the Bering land bridge. • Some scholars contended that the migration across the land bridge began as early as 40,000 B.C. • Experts believe the earliest Americans traveled by foot across the land bridge. • Some believe they also may have paddled from Asia to the Pacific Coast in small boats.
Hunters and Gathers • Chiseled spearhead and charred bones in early America. • Large animals like the mammoth were over hunted and became extinct. • Hunters had to turn to smaller prey, deer and rabbits, for survival. • In addition they fished and gathered edible plants and fruits. • Patrilineal: Family line is trace through the fathers.
