| A | B |
| autotroph | organism that makes its own food |
| heterotroph | organism that must consume other organisms for food |
| taxonomy | the study of how living things are classified |
| binomial nomenclature | two-parting naming system (genus,species) |
| domain | the largest of the 8 levels of classification |
| class | the level of classification in between order and phylum |
| dichotomous key | a series of paired statements that describe physical characteristics of organims and allow you to name them |
| Archeabacteria | kingdom with single celled organisms that live in extreme environments |
| prokaryotes | organisms whose cells lack a nucleus |
| Eubacteria | single celled organisms, example: organisms that cause strep throat or produce yogurt |
| Plants | muticellular organisms that are autotrophs |
| Fungi | Mushrooms, Mold, Mildew etc. |
| Animals | Multicellular organisms, Heterotrophs |
| Protists | seeweed, alge, and other multicellular and unicellular organims |