| A | B |
|---|
| classification | the process of grouping things based on their similarities |
| taxonomy | the scientific study of how living things are classified |
| Aristotle | first scientist to develop a classification system for organisms |
| binomial nomenclature | Linnaeus's naming system in which each organism is given a two part name (genus and species) |
| genus | a classification grouping that contains similar, closely related organisms |
| species | a group of similar organisms that can mate and produce fertile offspring in nature |
| evolution | the gradual change of a specie over time |
| taxonomic key | a series of paired statements that describe the physical characteristics of different oganisms |
| archaebacteria | ancient bacteria |
| eubacteria | similar to archeobacteria but have a different chemical makeup |
| protists | the "odds and ends" kingdom |
| prokaryotes | organisms with cells that lack a nucleus |
| eukaryotes | organisms with cells that contain a nuclei |
| fungi | yeasts and mushrooms are in this kingdom |
| plants | a kingdom whose organisms are autotrophs that feed almost all the heterotrophs on the earth |
| animals | multicellular eukaryotes that are hetrotrophs |
| multicellular | more than one cell organism |
| unicellular | one cell organism |
| heterotroph | organism that cannot make its own food |
| autotroph | organism that makes its owm food |
