The First Americans

Competing Theories  Land Bridge Theory  Watercraft Migration Theories Coastal Route Australia/Oceana

Land Bridge Theory  Glaciers cause water level to drop.  Beringia  “Ice Free Corridor”

Coastal Route  Evidence??

Hunting  Gathering  Farming  What did animals provide for early humans?  Larger animals begin to die out, causing humans to begin gathering.  ~ 6000B.C.E. FARMING!!!

Farming Methods IIrrigation Watering crops by channeling water from rivers or streams. SSurplus Having an extra amount of something, in this case food.

Effect PPopulation growth TThe growth of communities and cities CCivilization An advanced culture in which people have developed cities, science and industries.

Shift from hunter/gatherer  farmer Domestication of animals Development of Cities Civilization!!