| Structural Organization | Definitions & Examples | Human Example |
|---|---|---|
| BIOSPHERE | anywhere there is life | highest part of atmosphere-depths of ocean vents |
| ECOSYSTEM | community & its nonliving surroundings | people, plants, nutrients, land, animals, air, water |
| COMMUNITY | all organisms occupying the same area | People, animals, plants in area |
| POPULATION | members of one species inhabiting the same area | LPC students, instructors & staff |
| SPECIES | similar organisms | Homo sapiens |
| ORGANISM | an individual composed of many cells | Person |
| ORGAN SYSTEM | groups of organs that work together to perform a major function | Respiratory System |
| ORGAN | integrated collection of 2 or more kinds of tissues working together to perform a specific function | Lung |
| TISSUE | many similar cells that perform a special function | Epithelial |
| CELL | smallest independent unit of life | skin cell |
| MOLECULE | cluster of atoms | protein |
| ATOM | smallest particle of an element | C=carbon, H=hydrogen, N=nitrogen, O=oxygen |