| A | B |
| hypha | a thread of cytoplasm; many hyphae together make up the body of a fungus |
| mycelium | interwoven mat of hyphae that functions as the feeding structure of a fungus |
| absorptive nutrition | method by which fungi absorb small organic molecules from their surroundings |
| spore | haploid single cell with a thick wall that functions in the dispersal stage in fungal reproduction |
| sporangia | spore-forming structures at the tips of fungal hyphae |
| zygosporangium | thick-walled reproductive structure formed from the fusion of the cytoplasm of the mycelia of two neighboring fungi |
| dikaryotic | having two haploid nuclei per cell, one from each parent, in a fungal mycelium |
| fruiting body | aboveground reproductive structure of a fungus |
| yeast | unicellular fungus that inhabits liquid or moist habitats, including plant sap and animal tissues |
| imperfect fungi | informal category of fungi with no known sexual stage of reproduction |
| mold | fungus that grows very rapidly on a surface |
| lichen | mutualistic pairing of a fungus and an alga |
| mycorrhizae | symbiotic relationships between fungal hyphae and plant roots |