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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 FungiYeasts unicellular fungi Reproduce via budding FungiChytrids Motile (flagella) reproductive zoospores Associations with animals Symbiont in bovine rumen Frog pathogen: has caused many frogs to die in central and south America FungiZygomycetes Non-motile 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 FungiAscomycetes Fruiting bodies form asci containing ascospores Neurospora bread mold Penicillium first antibioitic Aspergillis can cause respiratory infections, especially in those who are immunocompromised Candida- can be normal flora or cause infection...
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