1. Paleo-Indians

2. Paleo Americans Why do you think we don’t see these animals anymore?
What could have been done to save them?
This is a woolly mammoth

3. Archaelogists
Study artifacts to learn about ancient peoples

4. Carbon 14 Dating
How do we know how old things are?

5. Ice Age Ocean Levels The water level dropped Three-hundred feet
As glaciers grew, it created land

6. Landbridges
Alaska was connected to Asia

7. saber-toothed cats, giant ground sloths, mastodons, mammoths

8. Migration As the Ice Age “ended” the climate changed
The weather grew warmer
Ice caps began to recede

9. Paleo-Indians were Stone-age people Made tools from stones
were hunter-gatherers
relied on animals and plants for food
moved constantly in search of their food
followed the animals as they migrate

10. Changing environment Short grasses replaced taller grasses
Led to extinction of large animals like the mammoth
Replaced by buffalo and deer

11. Paleo-Indians
The coming of the Ice Ages caused people to adapt to the new environments 
The end of the Ice Age caused people to adapt to new environments
Migration caused people to adapt to new environments

12. Migration
Eventually people migrated to where climate and weather created an environment that could support larger populations

13. Culture to Civilization
Way of life
 human social development; considered most advanced

14. Agriculture Allowed people to settle in one place
Steady supply of food
Population grew
Complex societies grew

15. Early crops
Maize
Beans
peppers

16. Domestication
Breeding animals (and plants) to meet human needs