| A | B |
| aero | air (aerobic: chemical reaction using oxygen) |
| an | without (anaerobe: chemical reaction without using oxygen) |
| auto | self; troph = food (autotroph: an organism that makes its own food) |
| glyco | sweet; lysis = split (glycolysis: process that splits glucose into two molecules) |
| hetero | other (heterotroph: Greek work that means "other feeders") |
| oblig | bound (obligate aerobe: organisms that must avoid oxygen) |
| photo | light; syn = together (photosynthesis: process using light energy to make organic molecules) |