| Term | Definition |
| Classification | Dividing into groups by similar characteristics or properties |
| Aristotle | 4th century B.C.
Greek Philosopher
First person to organize things scientifically
Divided animals by land, sea, or sky |
| Carolus Linnaeus | 18th century
Swedish Scientist
Father of taxonomy
Grouped that shared characteristics |
| Taxonomy | The science of classification |
| Classification Groups | Kingdom, Phylum, Class, Order, Family, Genus, species |
| Kingdom | Has the most members
Least characteristics in common |
| Species | Has the fewest members
Most characteristics in common |
| Binomial Nomenclature | Naming an organism with two names: Genus and species |
| Two kingdoms that are prokaryotic | Archaebacteria and Eubacteria |
| Six Kingdoms | Archaebacteria
Eubacteria
Fungi
Plantae
Protista
Animalia |
| Dichotomous Key | A guide to identifying organisms |
| Prokaryote | Having no nucleus |
| Eukaryote | Having a nucleus |
| Unicellular | Made up of one single cell |
| Multicellular | Made up of more than one cell |
| Autotrophs | Make their own food (plants) |
| Heterotrophs | Get their food from consuming something else |
| Kingdoms that are eukaryotic | Fungi
Plantae
Protista
Animalia |