1. Ecology

2. Ecology Defined
Ecology is the study of how living things interact with their environment.

3. Ecology Terms
Population: A group of the same species in a defined area. A species is one “specific” type of organism.

4. Ecology Terms
Community: Includes all the organisms of all types (including plants!) living in the same area.

5. Ecology Terms
Ecosystem: All of the organisms living in a defined area and their nonliving environment.

6. Biotic Factors-living parts of an ecosystem
Ecosystem Factors
Biotic Factors-living parts of an ecosystem
Food
Predators
Organisms in soil

7. Ecosystem Factors Abiotic factors – nonliving parts of an ecosystem
Water
Sunlight
Temperature
Soil
Oxygen

8. Population Terms What makes a population grow or shrink? Death Birth
Immigration
Emigration

9. Population Terms
Carrying Capacity: Largest Population an area can support

11. Population Terms
Limiting Factors (meaning what would limit the population):
Food!
Water!
Habitat!

12. Population Terms Population Density= Population Area
Population Density: number of individuals in an area of a specific size.

13. Biotic Factors-living parts of an ecosystem
Ecosystem Factors
Biotic Factors-living parts of an ecosystem
Potential Food
Predators
Organisms in soil

14. Ecosystem Factors Abiotic factors – nonliving parts of an ecosystem
Water
Sunlight
Temperature
Soil
Oxygen