BIOL 1113 Lecture Notes - Conidium, Mycelium, Decomposer
5 Feb 2014
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Document Summary
Kingdom fungi: humongous fungus, eastern oregon, world"s largest organism, honey mushrooms (above ground, network structure located underground (shoestring rot, rhizomorphs take water and nutrients from tree roots, killing trees, characteristics, kingdom fungi contains 80,000 spp, mostly multicellular eukaryotes that share a common mode of nutrition. Mycosis fungal infection: several have mutualistic relationship, key when it comes to recycling and decomposition, structure, body (thallus) of most fungi is multicellular mycelium, mycelium = consists of a vast network of thread like hyphae. Hyphae grow from tip (osmosis, cytoplasmic streaming: give the mycelium a large surface area per unit volume, cell walls of chitin (nitrogen containing polysaccharide, excess food stored as glycogen as in animals, possibly evolved from red algae both lack flagella, reproduction: Nuclei fuse together and create fruiting body, form zygote in diploid stage: spores are formed and released into surroundings, pheromones indicate their presence and chemically communicate with other varieties to engage in sexual reproduction, asexual reproduction:
