| A | B |
| Classification | is the grouping of things according to similar characteristics |
| Taxonomy | the science of classification |
| Taxonomists | scientists who work in the field of classification |
| Aristotle | developed the first system (Plants/Animals) |
| Binomial Nomenclature | Naming system using two names- genus, species |
| Linnaeus | Developed the system we use today |
| Domain | Largest classification group |
| Species | Smallest Classification group |
| The 4 Kingdoms of Eukarya | protists, fungi, plants, animals |
| Autotroph | Can make food from simple raw materials |
| Heterotroph | Cannot make their own Food |
| Archaea and bacteria | The 2 Domains of Unicellular organisms that do not have a nucleus |
| Protista | Unicellular organisms, eukaryotic |
| Fungi | multicellular/unicellular organisms, have a cell wall of chitin, heterotrophs |
| Plantae | Multicellular autotrophs |
| Animalia | Multicellular heterotrophs that have specialized tissues, sense organs, and can most are mobile |
| genus | A group of similar species |
| prokaryotic | no true nucleus |
| eukaryotic | true nucleus |
| Archaea | domain of prokaryotes that live in extreme environments |