1. Human Activities

2. Three groups of human lifestyles
Hunting and Gathering
Agriculture
Industrial/Urban Development

3. Hunting and Gathering
Obtaining food by hunting wild animals and/or gathering wildly growing plant materials.
Benefit
Low impact on the environment when human population is low.

4. Hunting and Gathering Problems Seasonal fluctuation in food supply
Lack of surplus makes population very prone to famine if the weather is bad

5. Agriculture
The ability to plant crops and/or domesticate animals for food and materials.
HUGE break-through for humans

6. Agriculture Benefits Gave a reliable and predictable source of food.
Increased food yields allowed the population of humans to increase
Allowed larger communities such as towns and cities to form

7. Agriculture Problems Destroys native plant life
Can lead to soil erosion
Monoculture – planting one variety of crop in a large field
Susceptible to disease

8. Agriculture Problems continued
Chemical pollution from fertilizers and pesticides
Heavy demands on local water supplies

9. Industrial/Urban Development
Societies that specialize in producing material goods
Benefits
More consumer goods
Higher population density

10. Industrial/Urban Development
Problems
Radical changes to the environment
Increased pollution to soil, air and water