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14 Cards in this Set

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phylum chytridiomycota

- distinguished by (2n) sporophyte stage in life cycle

- make both sporangia & gametangia, but on separate "plants"

- aseptate hyphae

- sexual reproduction: zygosporangium produces endomeiospores

- asexual reproduction: sporangium on sporangiophore (asexual hyphae) produces endomitospores

- mainly (n) life cycle

phylum ascomycota

- distinguished by sexual spores being produced in sac-like "ascus" and asexual conidia

- septate hyphae

- asexual reproduction: hyphae grows conidiophore, (n) spores called conidia (exomitospores) grow off edges

- sexual reproduction: many dikaryotic hyphae (n+n), karyogamy and meiosis occur in ascus, producing (2n) zygote that produce (n) endomeiospores

phylum basidomycota

- distinguished by being "true mushrooms"

- mushroom is called basidio

- septate hyphae

- most time spent in heterokaryotic stage

- pileus (cap), stipe (stem), and gills (under pileus)

- basidia produce 4 exomeiospores through karyogamy & meiosis


tubular growth cells of fungi

septate vs aseptate hyphae

- septate: have "septum" dividing cells, allowing flow of cytoplasm and nutrients through mycelium

- aseptate: form one long cell w/ many nuclei


vegetative part of fungi; collection of hyphae


break down dead material and consume them, usually using absorptive nutrition methods


sporangium where meiosis occurs, producing (n) zoospores/meiospores


sporangium where mitosis occurs, producing (2n) mitospores


- asexual zygomycota reproduction

- hyphae tips grow as upright stalks that form large swollen chamber (sporangium) separated from the mycellium by a complete septum called the columella


- sexual zygomycota reproduction

- when 2 different nuclei fuse from the progametangia, they form several (2n) zygote nuclei that develop in a thick-walled zygosporangium that goes through meiosis to produce endomeiospores


- occurs in yeast

- asexual

- growth on parent cell

- produces a genetically identical cell

basidiocarp/basidium, basidiospores

4 basidiospores (exomeiospores) are produced on the basidium/basidiocarp. basidia extend from the free surface of the gills


- symbiotic association b/w algae and fungi

- crustose: crust/flat

- foloise: leaves

- fruticose: branches