| A | B |
|---|
| taxonomy | The field of biolggy that deals with classifying organisms |
| domain | The largest group in a classification system |
| kingdom | The next largest level in a classification sytem |
| prokaryote | Single-celled organisms that lack a membrane-bound nucleus and organelles |
| eukaryote | Organisms whose cells contain a nucleus and other membrane-bound organells |
| heterotroph | Organisms that CANNOT make their own food |
| autotroph | Organisms that CAN make their own food |
| binomial nomenciature | System for naming organisms |
| genus | A classification level below family that includes related species |
| phylogeny | The study of the evolutionary history of related species |
| fossil | The remains or traces of organisms that lived in the past |
| phylogenetic tree | The emergence of species over time that can be shown in a diagram |
