Bio 2260 Exam 3 Test Questions with Correct Answers

Locules loculoascomycetes form their asci in these, generally in a hymenium. they are formed in stroma sclerotia highly resistant portions of the mycelia of the fungus that can detach; will germinate to form stroma Mycosphaerella Ostilate pseudothecia in or on erumpent host tissues, ostiole paraphyses lined, sterile tissues (hamathecium) in locules absent pseudothecia ascocarp resembling a perithecium but whose asci are not regularly organized into a hymenium and are bitunicate, having a double wall which expands when it takes up water and shoots the enclosed spores out suddenly to disperse them. ostiole a small pore in through which spores discharged Venturia Ostilate pseudothecia in a thin sub-cuticular ascostroma, ostiole fringed by setae, and sterile tissues (hamathecium) in locules present Dibotryon Ostilate "pseudothecia" in a thick and dense sub-cuticular ascostroma, sterile tissues (hamathecium) in locules present Pyrenomycetes Form a perithecia (neck and swollen base), contain asci in hymenium, hamathecium may be present centrum collectively, all the structures enclosed within the ascocarp of a fungus. lichen a dual organism of a self-supporting assoc of a fungus (mycobiont) with a green alga or cyanobacterium crustose, foliose, fruticose 3 types of lichens crustose lichens the crust-like lichens crustose what's the most common form of lichen? crustose what type of lichens are attached to substratum by entire lower surface