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23 Cards in this Set
- Front
- Back
Define:Hyphae
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A filament that collectively makes up the body of a fungus.
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Define: Mycelium
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The densely branched network of hyphae in a fungus.
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Define: septa
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One of the cross-wall that divide a fungal hypha into cells. Septa generally have pores large enough to allow ribosomes, mitochondria, and even nuclei to flow from cell to cell.
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Define: Plasmogamy
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The fusion of the cytoplasm of cells from two individuals; occurs as one stage of syngamy.
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Define: Karyogamy
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The fusion of nuclei of two cells, as part of syngamy.
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Define: Zygosporangium
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In zygomycete fungi, a sturdy multinucleate structure in which karyogamy and meiosis occur.
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Define: Spores
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In the life cycle of a plant or alga undergoing alternation of generations, a meiotically produced haploid cell that divides mitotically, generating a multicellular individual, the gametophyte, without fusing with another cell.
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Define:Sporangium
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A capsule in fungi and plants in which meiosis occurs and haploid spores develop.
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Define: Ascus
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(plural, asci) capsule located at the tip of the ascocarp in dikaryotic hyphae; defining feature of the Ascomycota division of fungi.
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Define: Ascocrp
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The macroscopic fruiting body of a sac fungus.
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Define: Basidia
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A reproductive appendage that produces sexual spores on the gills of mushrooms. The fungal division Basidiomycota is named for this structure.
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Define: basidiocarp
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Elaborate fruiting body of a dikaryotic mycelium of a club fungus.
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Define: meiosis
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A two-stage type of cell division in sexually reproducing organisms that results in cells with half the chromosome number of the original cell.
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Define: gills
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A localized extension of the body surface specialized for gas exchange.
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Define: lichen
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The mutualistic collective formed by the symbiotic association between a fungus and a photosynthetic alga.
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Define: mychorrihizae
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Mutualistic associations of plant roots and fungi.
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Define: basidiospore
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reproductive spore produced by Basidiomycete fungi
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Define: fairy rings
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naturally occurring ring or arc of mushrooms
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What products do we get from Fungi?
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Antibiotics
Bread Alcoholic drinks Cheese Flavor Citric acid |
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Ecological roles of fungi
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Decomposers
Food Mutualism Predators |
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Phyla: Basidiomycote
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Basidium
Mushroom Club Fungi Produce spores from a 'basidium' |
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Phyla: Ascomycota
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Fruiting body is like a cup
Mushroom Sac fungi Produce spores in an 'ascus' |
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Phyla: Zygomycota
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Black bread mold
Zygomycetes Blend gametangia to form a zygosporangium |