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march bio ch 12 key terms

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