| Term | Definition |
| Extracellular Digestion | Takes place outside of the cell |
| Mycelium | Part of the fungus responsibel for extracellular digestion and absorption of digested food |
| Hypha | Filament of fungal cells |
| Rhizoid Hypha | Imbedded in the material on whih the fungus grows |
| Aerial Hypha | Not imbedded in the material upon which the fungus grows |
| Sporophore | Specialezed aerial hypha that produces spores |
| Stolon | Aerial hypha that asexually reporduces to make more filaments |
| Haustorium | Hypha of a parasitic fungus that enters the host's cells, absorbing nutrition directly from the cytoplasm |
| Chitin | Chemical that provides both toughness and flexibility |
| Membrane | Thin covering of tissue |
| Fermentation | Anaerobic breakdown of sugars into smaller molecules |
| Zygospore | Zygote surrounded by a hard, protective covering |
| Zygote | Result of sexual reporduction when each parent contributes half of the DNA necessary for the offspring |
| Antibiotic | Chemical secreted by a living organism that kills or reduces the reproduction rate of other organisms |