| Kingdom | Organisms are seperated into 5 groups of these. |
| Monera | Kingdom including prokaryotes, ie. bacteria. |
| Protista | Kingdom including unicellular eukaryotic organisms. |
| Plantae | Kingdom including multicellular, eukaryotic organisms that (usually) conduct photosynthesis. |
| Fungi | Kingdom includes organisms that reproduce through spores. |
| Animalia | Kingdom that includes organisms that eat and digest other organisms to aquire their nutrients. |
| Phylum | The second highest taxonomic classification for the kingdom Animalia. |
| Class | A taxonomic classification between phylum and order. |
| Order | A taxonomic classification between class and family. |
| Family | A taxonomic classification between genus and order. |
| Genus | The second most specific taxonomic level. |
| Species | The most specific taxonomic level. |
| Classify | To assign a scientific name to an organism. |
| Organism | Any living thing. |
| Biologist | One who studies any living thing. |
| Biodiversity | The existence of a wide range of different types of organisms in a given place at a given time. |
| Eukaryote | Cell or organism with a membrane-bound, structurally discrete nucleus and other well-developed subcellular compartments. |
| Prokaryote | One-celled (sometimes colonial) organisms whose cells lack a nuclear envelope, mitochondria, or plastids. |
| Taxonomy | The theories and techniques of naming, describing, and classifying organisms. |
| Phylogeny | The evolutionary history of a species. |
| Characteristic | A distiguishable trait amoug organisms |
| Exoskeleton | A skeleton, or support structure, which supports the organism's body from the outside. |
| Endoskeleton | A skeleton, or support structure, which is on the inside of the organism's body. |
| Hierachy | A system of naming things using different ranks of classification. |