Ecological Levels of Organization( This image goes with all the Levels)

1. Biosphere

1.1. Definition

1.1.1. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms

1.2. Example

1.2.1. The Earths surface

2. Biome

2.1. Defintion

2.1.1. a large naturally occurring community of flora and fauna occupying a major habitat

2.2. Example

2.2.1. Forest or tundra

3. Ecosystem

3.1. Definition

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

3.2. Example

3.2.1. Same as Biome but at smaller scale

4. Community

4.1. Defintion

4.1.1. interacting group of various species in a common location

4.2. Example

4.2.1. A herd of buffalo and two cougars in a forest

5. Populations

5.1. Definition

5.1.1. groups of individuals belonging to the same species that live in the same region at the same time

5.2. Example

5.2.1. A herd of buffalo in an plain