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FUNGI Slide 2 What are Fungi? Eukaryotic heterotrophs Cell walls made of chitin Chitin: found in external skeletons of insects Mostly multicellular Slide 3 Structure Fruiting Body: mushroom Hyphae: thin filaments Mycelium: mass of hyphae Slide 4 Reproduction Most fungi reproduce both asexually and sexually. Produce dry, weightless spores. Must have the right combination of temperature, moisture, and food for spores to grow. Slide 5 Slide 6 Types of Caps Gills Teeth Sponge Slide 7 Ecology of Fungi Saprobes: obtain food from decaying organic matter Decomposers: recycle nutrients by breaking down other organisms Parasites: cause diseases in plants, animals, and humans Mutualists: live symbiotically with other living organisms Slide 8 Zygomycota Molds on meat, cheese, & bread Slide 9 Ascomycota Sac Fungi, Cup Fungi, and Yeast Slide 10 Basidiomycota Club fungi: mushrooms, puffballs, stink horns, jelly fungi, and shelf fungi Slide 11 Deuteromycota Imperfect fungi; penicillium No sexual phase of life cycle. Slide 12 Cultural Aspects Slide 13 Toxic Mushroom Slide 14 Different Types of Mushrooms Slide 15 Diseases Plant: corn smut, rusts, Late Blight of Potato, Downy Mildew of Grapes, nematodes Animal: Cordyceps Human: athletes foot, yeast infections, toe nail fungus, ring worms Slide 16 Symbiotic Relationships Lichen Mycorrhizae fungi & algaeplant roots & fungi Slide 17 Pilobolus Fungi