Levels of Ecological Organization
by Seveta Gallu
1. Organism
1.1. one living thing
2. Ecosystem
2.1. A large naturally occurring community of biotic and abiotic factors (living and nonliving) occupying a major habitat
3. Biosphere
3.1. the place where all organisms exist and live
4. Population
4.1. a large group of an organism
5. Community
5.1. All the organisms living in a particular area or place