| Term | Definition |
|---|---|
| Organism | Things that have all the characteristics of life |
| Cell | the smallest unit of life |
| Unicellular | living things that are made of only one cell |
| Multicellular | living things that are made of two or more cells |
| Homeostasis | an organism's ability to maintain steady internal conditions when outside conditions change |
| Binomial Nomenclature | a two word scientific name |
| Species | a group of organisms that have similar traits and are able to produce fertile offspring |
| Genus | a group of similar species |
| Dichotomous Key | a series of descriptions arranged in pairs that lead the user to the identification of an unknown organsim |
| Cladogram | a branched diagram that shows the relationships among organisms, including common ancestors |
