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35 Cards in this Set

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a mode of nutrition in which small organic molecules are absorbed from a surrounding medium
absorption
hydrolytic enzymes secreted by fungi that decompose complex molecules
exoenzymes
tiny filaments that make up the body of most fungi
hyphae
the network of interwoven hyphae that form the "feeding" fungus
mycelium
cross-walls in a fungus
septa
a strong, flexible, N-containing polysaccharide that is found in the cell walls of fungi
chitin
fungi that consist of a continuous cytoplasmic mass with hundreds or thousands of nuclei
coenocytic
hyphae of parasitic fungi that are modified for penetrating host tissue
haustoria
a term for mycelia that are formed from the fusion of two hyphae that are genetically different
heterokaryon
the fusion of 2 parent fungi's cytoplasms
plasmogamy
the fusion of haploid nuclei contributed by 2 parent fungi
karyogamy
a mycelium that contains 2 haploid nuclei that are not fused, one from each parent
dikaryotic
phylum of fungi that are mainly aquatic and have flagellated cells
Chytridiomycota (Chytrids)
phylum of fungi that are mostly terrestrial, form mycorrhizae, and include black bread mold and dung fungus
Zygomycota (zygote fungi)
a mutualistic relationship between a fungus and the roots of plants
mycorrhizae
a resistant structure in which karyogamy and then meiosis occur
zygosporangium
phylum of fungi that includes marine, freshwater, and terrestrial species; they produce sexual spores in saclike asci
Ascomycota (sac fungi)
saclike structure that contains spores
asci
macroscopic fruiting bodies of sac fungi
ascocarps
the naked spores of sac fungi
conidia
phylum of fungi that have long-lived dikaryotic mycelia; includes mushrooms, shelf fungi and puffballs
Basidiomycota (club fungi)
a transient diploid stage in the life cycle of club fungi
basidium
elaborate fruiting bodies containing many basidia
basidiocarp
a rapidly growing, asexually reproducing fungus that grow as saprobes or parasites
mold
molds that cannot be classified as zygomycota, ascomycota or basidiomycota because they have no sexual stages
imperfect fungi
unicellular fungi that inhabit liquid or moist habitats
yeasts
a symbiotic association of many algae held in a mesh of fungal hyphae
lichen
small clusters of hyphae with embedded algae; function as symbiotic units even during asexual reproduction
soredia
the general term for a fungal infection
mycosis
most parasitic fungi attack these organisms
plants
unicellular fungi that inhabit liquid or moist habitats
yeasts
a symbiotic association of many algae held in a mesh of fungal hyphae
lichen
small clusters of hyphae with embedded algae; function as symbiotic units even during asexual reproduction
soredia
the general term for a fungal infection
mycosis
most parasitic fungi attack these organisms
plants