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Unformatted text preview: Chapter 20- Eukaryotic Diversity Phylogeny of Eukaryotes Eukaryotes have greatest diversity of size Groups containing microscopic eukaryotes Fungi Algae Protozoa Fungi Cell walls contain chitin Non motile Most grow hyphae Mycelium – branched mass of hyphae Absorptive heterotrophs Fungi—Yeasts Unicellular fungi Reproduce via budding Fungi—Chytrids Motile (flagella) reproductive zoospores Associations with animals Symbiont in bovine rumen Frog pathogen Fungi—Zygomycetes Nonmotile sporangiospores (gametes) Spread via air or water currents fuse to form zygote called zygospore Rhizopus – Bread mold Arbuscular mycorrhizae Mutualistic association with plant roots Increase root absorption Fungi—Ascomycetes Fruiting bodies form asci containing ascospores Neurospora – bread mold Penicillium Aspergillis Candida Pneumocystis carinii Saccharomyces Molds- Cladosporium,Stachybotrys...
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