Ecological Levels of Oganization

1. Ecosystems

1.1. a biological community of interacting organisms and their physical environment.

1.1.1. example: pond

2. Biosphere

2.1. the regions of the surface, atmosphere, and hydrosphere of the earth.

2.1.1. example: above and below the surface of the earth.

3. Habitat

3.1. the natural home or environment of an animal, plant, or other organism.

3.1.1. example: swamp

4. Individuals

4.1. a single human being as distinct from a group,

4.1.1. example; one person

5. Populations

5.1. all the inhabitants of a particular town, area, or country.

5.1.1. example: hollywood

6. Communities

6.1. a group of people living in the same place or having a particular characteristic in common.

6.1.1. example: Steelers fans