| A | B |
| Binomial Nomenclature | Two word system developed by Carolus Linnaeus to name species |
| Class | A taxon of similar orders |
| Common Name | The non-scientific name for organisms |
| Dichotomous key | A tool used to identify organisms |
| Division | Taxonomic grouping of similar classes. Term often used instead of phyla by plant taxonimists |
| Family | Level of classification that consists of a group of similar genera |
| Genus | First word of a two part scientific name used to identify a gorup of similar species |
| Kingdom | Taxonomic Grouping of similar phyla or divisions |
| Kingdom | Highest level of classification |
| Linnaeus | Swedish botanist who developed a method of grouping organisms. |
| Order | A taxon of similar families |
| Phylum | A taxon of of similar classes |
| Scientific name | a Combination of the genus and descriptive names |
| Taxonomy | Branch of biology that groups and names organisms based on their different characteristics |
| Aristotle | Greek Philosopher who developed the first widely accepted system of biological classification |
| Classification | The grouping of objects or information based on similarites |
| Taxonomy, Cladistics and Phenetics | Three ways to classify species |
| Phenetics | Type of classification that give equal importance to all characteristics |
| Cladistics | Classification system that groups species according to ancestry |
| Analogy | Similarity in form or function that is not a result of evolution from a common ancestor |
| Homology | Similarity of biological structures that results from evolution from a common ancestor |
| Sessile | Stays put |
| Motile | Moves or has mobility |
| Vertebrates | Animals with a spinal column |
| Biodiversity | The variety of life on Earth |
| Divisions | Term botonists use instead of phylum |