| Term | Definition |
|---|
| Subatomic particles | protons, electrons, and neutrons |
| molecule | the smallest unit of a compound - ex. h2o, water |
| atom | the basic unit of matter - oxygen |
| Organelle | specialized structure that preforms important functions in the cell - ex. nucleus |
| Cells | the basic unit of all forms of life - ex. red and white blood |
| tissue | a group of similar cells that preform a specific function - ex. skin |
| organ | a group of tissues that work together to fprefrom highly specialized functions - ex. brain |
| Organ System | a group of organs working together to from closely related functions - ex. nervous system |
| Organism | A group of organ systems coming together - ex.humans |
| Population/Community | A groups of organisms that live together |
| Ecosystem | a community and its non-living surroundings |
| Biosphere | area of Earth that supports life |
Combine with other sets
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