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Fungi Notes Pages 88 – 95 What are Fungi? Heterotroph Eukaryote Cell walls Has its own kingdom Absorbs food through hyphae Uses spores to reproduce Fungi needs a warm, moist places to grow. They thrive on moist foods, damp tree barks, and wet bathroom tiles. ****The largest known organism on Earth is actually underground fungus that covers an area as large as 1000 football fields!!!***** Fuzzy molds are loosely packed vs. mushrooms with caps and stalks where the hyphae are so tightly packed that they look solid. Hyphae attaches to food source and releases ooze to decompose food. Then the hyphae acts like a straw and transports the food to the fungus. Reproduction in Fungi Most fungi can reproduce both asexually and sexually. Use spores to reproduce. Fruiting bodies create the spores. (pg. 90) Classification of Fungi (pg.91) o 18 major groups but there are three phylum Sac fungi Club fungi Zygote fungi Asexual o Offspring identical to parent o Unicellular fungi reproduce through a process called budding – no spores are produced. Sexual o Two fungi have hyphae intertwine and genetic material is exchanged o Offspring is dispersed through spores The Role of Fungi in Nature Environmental Recycling o Compost Food and Fungi o Bakers’ yeast o Cheeses o Mushrooms Disease Fighting Fungi o 1928 – Fleming and his discovery of Penicillin (pg.93) Disease Causing Fungi o Yeast infections o Athlete’s foot o Corn smut o Wheat rust o Treated with fungicide or anti-fungal medicine Fungus – Plant Root Association o Symbiotic relationship o Brings water and minerals to plant o Plant provides food source for fungus o Orchid seeds Lichens o Pioneer organisms (pg.95) o Algae + Fungus o Bacteria + Fungus