| A | B |
| classification | process of grouping things based on their similarities |
| taxonomy | scientific study of how living things are classified |
| binomial nomenclature | Linnaeus's naming system for giving organism's a scientific name using the genus & species |
| genus | a classification grouping that contains similar, closely related organisms |
| species | group of similar organisms that can mate and produce fertile offspring in nature |
| evolution | process by which species gradually change over time |
| taxonomic key | series of paired statements that describe the physical characteristics of different organisms |
| Charles Darwin | developed the theory of evolution and natural selection |
| field guide | book that gives descriptions of organisms to help identify them |
| seven classification levels | kingdom, phylum, class, order, family, genus, species |
| classification level where organisms are the least alike | kingdom |
| classification level where organisms are the most alike | species |
| two classification levels used in binomial nomenclature | genus and species |
| proper way to write the scientific name of an organism | capitalize genus, lowercase species, and underline them |
| Carolous Linneaus | developed the binomial nomenclature system for naming organisms |