| A | B |
|---|
| kingdom | largest of the 7 categories, least similarities |
| taxa | series of categories organisms are grouped into |
| species | resinosa |
| scientific name | genus and species together |
| classification | grouping of objects or information based on similarities |
| species identifyer | smallest category of 7 category system, most characteristics in common |
| cladogram | model showing the relationship between organisms useing derived characters |
| morphology | form and structure |
| domain | category above Kingdom in some systems |
| molecular clock | model using DNA comparisons to estimate the length of time that species have been evolving |
