| A | B |
| heterotroph | organism can not make its own food |
| producers | make their own food through photosynthesis |
| decomposers | break down dead, organic matter |
| parasite | invades another organism to get food and nutrients |
| host | organism that is invaded by a parasite |
| binary fission | sigle celled protist divides into two cells |
| multiple fission | more than two offspring are made from one parent |
| conjugation | sexual reproduction in protista |
| pseudopdia | "false feet" |
| hyphae | threadlike fungal filaments |
| mycelium | twisted mass of hyphae |
| spores | small reproductive cells |
| mycorrhiza | relationship between a plant and a fungus |
| sporangia | spore cases |
| lichen | a combination of a fungus and an algae |