| A | B |
|---|
| anaerobic respiration | respiring without oxygen gas |
| aerobic respiration | respiring with oxygen gas |
| unicellular | one celled organisms |
| multicellular | many celled organisms |
| prokaryote | organisms without a nucleus |
| eukaryote | organisms with a nucleus |
| chemosynthesis | obtain their energy from non-organic sulfur and iron compounds |
| heterotroph | feed off of other things |
| autotroph | self-feeding |
| Archaebacteria | unicellular, prokaryotes that are chemosynthetic |
| Eubacteria | mostly unicellular, mostly prokaryotic, that are chemosynthetic, autotrophic and heterotrophic |
| Protista | mostly unicellular, eukaryotic, autotrophic and heterotrophic organisms |
| Animalia | multicellular organisms that are eukaryotic and heterotrophic |
| Plantae | multicellular, eukaryotic and mainly autotrophic organisms |
| Fungi | multicellular, eukaryotic and heterotrophic organisms |
| Archaebacteria | first kingdom to evolve |
| Eubacteria | second kingdom to evolve |
| Protista | third kingdom to evolve |
