Ecological Levels of Organization

1. Community

1.1. Definition- a group of people living in the same place or having a particular characteristic in common.

1.2. Example- a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi

2. Ecosystem

2.1. Definition- a biological community of interacting organisms and their physical environment.

2.2. Example-Tropical Rainforest

3. Biosphere

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

3.2. Example- layer around the earth which holds life.

4. Habitat

4.1. Definition- the natural home or environment of an animal, plant, or other organism.

4.2. Example- a jungle

5. Individual

5.1. Definition-A single, separate organism

5.2. Example- a frog

6. Population

6.1. Definition- ll the inhabitants of a particular area

6.2. Example- An amount of cats in the world