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BJU BIO CH 12

march bio ch 12 key terms

Key TermDefinition
mycology the study of fungi
external digestion a process by which secreted enzymes digest the food into a soluble form outside the organism
hyphae slender filaments that make up fungi
septate hyphae that are divided into individual cells by cell walls called septa
coenocytic hyphae that lack septa
mycelia masses of intertwined hyphae
rhizoids hyphae embedded in the material on which the fungus is growing
haustoria hyphae of parasitic fungi which enter the host's cells to obtain nutrition directly from the cytoplasm
aerial hyphae hyphae not embedded in the material on which the fungus is growingp; absorb oxygen, produce spores, spread the fungus
stolons aerial hyphae that connect groups of hyphae together and produce new filaments
sporophores aerial hyphae branches that produce spores
sporangiophore sporophore forms spores within an enclosure
sporangium the structure in which spores are formed
conidiophore sporophore forms spores by repeated divisions; spores not in an enclosure
ascospores 8 sexually reproduced spores inside a sac
ascus the sac that holds the ascospores
ascocarp cup-shaped fruiting body in which the asci usually form
basidiospores 4 sexually produced spores on a club-shaped cell
basidium the club-shaped cell that holds the basidiospores
symbiotic relationship 2 organisms living together for mutual benefits
soredia dustlike pieces of lichen
crustose lichen that looks like smears of dried paint
foliose lichen that looks like small, crinkly leaves
fruticose lichen with stalks or branches with fruiting bodies
Created by: marchbio
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