Ecological Levels Of Organization
by Patrick Carr
1. Individual
1.1. Definition of the Level
1.1.1. Only one classified living organism in an area.
1.2. Example of the Level
1.2.1. Bear in a cage
1.3. Image of the Example
2. Population
2.1. Definition of the Level
2.1.1. All inhabitants of a particular area.
2.2. Example of the Level
2.2.1. The ocean: Fish, crabs, eels, etc.
2.3. Image of the Example
3. Community
3.1. Definition of the Level
3.1.1. A group of organisms living in the same place or having a particular characteristic in common.
3.2. Example of the Level
3.2.1. Classroom students
3.3. Image of the Example
4. Ecosystem
4.1. Definition of the Level
4.1.1. A biological community of interacting organisms and their physical environment.
4.2. Example of the Level
4.2.1. A forest
4.3. Image of the Example
5. Biosphere
5.1. Definition of the Level
5.1.1. The regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms.
5.2. Example of the Level
5.2.1. Desert, forests, oceans, and etc.
5.3. Image of the Example
6. Habitat
6.1. Definition
6.1.1. The natural home or environment of an animal, plant, or other organism.
6.2. Example
6.2.1. A burrow in the ground for a ground hog