Ecological Levels of Organization

1. Individuals

1.1. Definition- Basic unit of life

1.2. Examples: Cells, tissues, organs, organ tissue

1.3. Individual

2. Population

2.1. Definition- Members of the same species that that live in the same area.

2.2. Examples: fish in a pond, Deer in a forest, cows in a field, humans on earth.

2.3. population

3. Community

3.1. Definition- all the population in one specific area

3.2. Examples: Neighborhood, frogs in a pond

3.3. community

4. Ecosystem

4.1. Definition- All of the living things and their physical environments with in a particular area.

4.2. Examples: Mountains, forest, ocean

4.3. ecosystem

5. Biosphere

5.1. Definition- Earth and all of its organisms and environments.

5.2. Examples- Earth, Ecosystems, organisms

5.3. Biosphere

6. Habitat

6.1. Definition- The specific environment in which an organism lives.

6.2. Habitat

6.3. Examples- Deer in a forest, penguins in snow and cold weather, fish in water.