| A | B |
| Binomial Nomenclature | 2 name naming system |
| Taxonomy | Science of classifying organisms |
| Phylogeny | Evolutionary history of a species |
| Sessile | Cannot move |
| Assymetry | Structures are randomly placed |
| Radial Symmetry | Circular placement of structures |
| Bilateral Symmetry | Structures are mirror images of each other |
| Cladogram | Model showing evolutionary history |