Ecological Levels of Organization

1. Community

1.1. Definition: A social group sharing common characteristics or interests, sometimes regardless of their location.

1.2. Examples: plants, animals, people.

2. Ecosystem

2.1. Definition: a system formed by the interaction of a community of organisms with their environment.

2.2. Examples: Fresh water, terrestrial, and oceans.

3. Biosphere

3.1. Definition: the ecosystem comprising the entire earth and the living organisms that inhabit it.

3.2. Examples:

4. Individual

4.1. Definition: Any distinct person, object, or concept within a collection

4.2. Examples: person, organism, or thing.

5. Population

5.1. Definition: A group of organisms of one species that interbreed and live in the same place at the same time

5.2. Examples: A group of people or animals

6. Habitat

6.1. Definition:the natural home or environment of an animal, plant, or other organism.

6.2. Examples: Forests, oceans, land.