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Unformatted text preview: BioG. 104 29 January 2007 STUDYING THE GENETICS OF A FUNGUS Four Phyla of Fungi Chytridomycota: only phylum with motile, flagellated cells. Zygomycota: conjugation fungi Ascomycota: sac fungi Basidiomycota: club fungi (includes mushrooms and shelf fungi) General Characteristics of Fungi Eukaryotic, multicellular (or coenocytic), absorptive heterotrophs Basic structure in most fungi is the hypha . Specialize nutritionally as: Saprobes absorb nutrients from nonliving organic matter. Parasites absorb nutrients from body fluids of a living host. Mutualistic symbionts examples: lichens and mycorrhiza of plants. NOTE: Examples of Ascomycotes, Basidiomycotes and Lichens are shown in the display case by the laboratory corridor in Comstock Hall. Similarities with Plants Cells have rigid external walls. Produce spores which are reproductive and dispersal structures. Obtain water and nutrients by absorption. Mycorrhizal fungi are supplemental absorptive structures for the roots of many plants....
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