Ecological Levels of Organization
von Monique Homchosky
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.