| A | B |
|---|
| species | a group of organisms that can interbreed and produce fertile offspring |
| classification | grouping of organisms based on a set of criteria that helps organize, communicate, and retain information |
| Aristotle | first person to organize organisms and organized them based on what they looked like |
| Linnaeus | developed binomial nomenclature and the modern system of taxonomic organization |
| taxon | a group of named organisms |
| dichotomous key | a tool that allows the user to determine the identity of items in the natural world based on the items' characteristics |
| dichotomous | divided into two parts |
| Domain | made up of similar kingdoms, there are 3 types: Archaea, Eubacteria, and Eukarya |
| Archaebacteria Kingdom | made up of bacteria that live in extremely harsh environments |
| Eubacteria Kingdom | Made up of bacteria that cause human diseases and are present in almost all habitats on earth |
| Protista Kingdom | Made up of unicellular organisms that have DNA inside their nucleus and sometimes resemble a plant, animal, or fungus |
| Fungus Kingdom | Made up of multicellular organisms that are heterotrophs and have a cell wall made of chitin |
| Plant Kingdom | made up of multicellular organisms that use photosynthesis to make energy and have a cell wall made of cellulose |
| Animal Kingdom | Made up of organisms with no cell wal that are heterotrophs |
| Viruses | Non-living organisms that need living host cells to reproduce but have their own DNA |
| Cladogram | a diagram used to show relationships among organisms |
