| A | B |
| binomial nomenclature | a two name naming system for organisms that includes genus and species |
| kingdom | includes Monera, Protista, Fungi, Plantae, and Animalia |
| phylum | subdivisions of kingdom |
| class | subdivisions of phylum |
| order | subdivisions of class |
| family | subdivisions of order |
| genus | subdivisions of family |
| species | subdivision of genus that has two words such as Homo sapiens |
| eukaryotes | organisms having cells with a nucleus and membrane bound organelles |
| prokaryotes | organisms that are cells without a nucleus and membrane bound organelles |
| taxonomy | the science of naming |
| classification | putting organisms into categories by their characteristics |
| Carolus Linnaeus | scientist that started binomial nomenclature and today's classification system |
| multicellular | organisms having more than one cell |
| unicellular | organisms having only one cell |
| Monera | kingdom of primitive prokaryotes such as bacteria and blue-green bacteria |
| Protista | kingdom of unicellular eukaryotes such as amoebas |
| Fungi | kingdom of multicellular, heterotrophic, sessile organisms with cell walls |
| Plantae | kingdom of multicellular, autotrophic, eukaryotes that are sessile |
| Animalia | kingdom of eukaryotic, multicellular, heterotrophic, motile organisms |
| sessile | non-moving / staying in one place |
| motile | can move from place to place |
| autotrophic | organisms that can produce their own food |
| heterotrophic | organisms that must feed on other organisms |
| colonial organisms | unicellular organisms that live in a large group |