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Bio II Chap 20

Biology II Chapter 20 Vocabulary

TermDefinition
Chitin Tough, flexible polysaccharide in the exoskeletons of insects and crustaceans and in fungal cell walls.
Hypha Threadlike filament that makes up the basic structural unit of a multicellular fungus.
Mycelium Complex, netlike mass made up of branching hyphae.
Fruiting Body Spore-producing fungal reproductive structure.
Septum Cross-wall that divides a hypha into cells.
Haustorium Specialized hypha of parasitic fungi that grows into a host's tissues and absorbs its nutrients.
Spore Reproductive haploid cell with a hard outer shell that forms a new organism without the fusion of gametes and is produced in the asexual and sexual life cycles of most fungi and some other organisms.
Sporangium Sac or case in which fungal spores are produced.
Stolon Type of hyphae formed by a mold that spreads over a food's surface.
Rhizoid Type of hyphae formed by a mold that penetrates a food's surface.
Gametangium Reproductive hyphal structure of zygomycetes that contains a haploid nucleus.
Conidiophore Spore-producing hyphae of sac fungi.
Ascocarp In sac fungi, the reproductive structure in which haploid nuclei fuse to form a zygote.
Ascus Spore-producing saclike structure of sac fungi.
Ascospore Spore produced by an ascus.
Basidiocarp Fruiting body of basidiomycetes.
Basidium Club-shaped, spore-producing hyphae of basidiomycetes.
Basidiospore Haploid spore released by a basidium during reproduction.
Lichen Symbiotic relationship between a fungus (usually an ascomycete) and an alga or a photosynthetic partner.
Bioindicator Living organism that is sensitive to environmental conditions and is one of the first to respond to changes.
Mycorrhiza Symbiotic relationship between a specialized fungus and plant roots fungal hyphae help plants obtain water and minerals and plants supply carbs and amino acids to the fungus.
Created by: itscourtneym
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