| A | B |
|---|
| classification | the process of grouping things based on their similarities |
| taxonomy | the scientific study of how things are classified |
| binomial nomenclature | a scientific naming system invented by Linnaeus giving each organism a two-part name |
| genus | the first word in an organism's scientific name. Contains similar, closely related organisms |
| species | a group of similar organisms that can mate with each other and produce offspring |
| prokaryote | organisms whose cells lack a nucleus |
| nucleus | a dense area in a cell that contains nucleic acids |
| eukaryote | organisms with cells that contain nuclei |
