BIOL 111 Lecture Notes - Lecture 10: Ergotism, Paraphyly, Basidiomycota

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BIOL 111 Full Course Notes
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BIOL 111 Full Course Notes
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They are: absorptive heterotrophs: most are decomposers (saprobes or saprotrophs) cell wall of chitin (poly-glucosamine) and glucans (polysacsaccharide, most are multicellular, most are terrestrial produce spores. Most fungi have a filamentous body plan long branched filaments = hyphae tangled mass of hyphae = mycelium filamentous structure provides large surface area. In many species, hyphae are divided into cell-like compart- ments by porous septae; cytoplasm is continuous. Some species are coenocytic ( common container ), with no septae. Symbiotic: commensal (+/0) with other organism, mutualistic (+/+) with plants, animals, algae, bacteria, parasitic (+/-) with plants or animals, predatory. Fruiting bodies (e. g mushrooms) are formed from sexual reproduction. Fungi is extremely important to growth and survival of plants: mycorrhiza = mutualistic association of fungus with plant roots ecto-, endo- types. fungus receives carbohydrates plant receives minerals, water. This association has been dated to go back into the devonian era.

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