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Protista
Fungi like protists
13
Biology
Undergraduate 2
06/29/2007

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Term
Phylums of fungi-like protists
Definition
myxomycota, acrasiomycota, oomycota
Term
plasmodial slime molds
Definition
Myxomycota

not photosynthetic

lack cell wallaround plasma membrane

ex. physarium
Term
Plasmodial slime mold feeding stage
Definition
plasmodium-multinuclear sigle cell-also called coenocytic mass

intake by phgocytosis
Term
sporangium
Definition
Stalks where myosis takes place
in Plasmodial slime mold=1N spores

caused by lack of food/water

in acrasiomycota-where they settle-spores grow new amoeba like cells
Term
Acrasiomycota
Definition
cellular slime mold

individual ameoba like cells gang up

mass moves and settles

there they produce sporangium
Term
Water molds
Definition
OOmycota-"egg fungi"
Term
Oomycota cell wall
Definition
celulose, not chitin- caracteristic of fungi
Term
Downy mildews
Definition
oomycota, parasidic land organisms

Ex. Plasmopera and Phylophthora infestants
Term
Plasmopera
Definition
oomycota
responsible for downy mildew -grapes-1870s
Term
Phylophthora
Definition
oomycota
irish potato famine 1850s
Term
oosphere
Definition
OOmycota sexual reproduction
non motile egg produced in an oogonium
Term
Important characteristic of Oomycytes
Definition
Asexual zoospores are flaggelated
Term
Ick
Definition
caused my watermold sporophytes, attacks dying or dead fish in ponds/aquariums
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