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Fungi
Fungi
Heterotrophs:
•Decomposers
•Symbionts.
Fungi
Mycelia:•Networks of branched hyphae
•May or may not have septa
•Adapted for absorption.
Fungi
Mycelia:•Can trap and kill prey
•Can penetrate plant cells.
Fungi
Reproduction:
•Sexual or asexual.
Fungi
Phyla:
Fungi
Two phyla worth remembering:
•Ascomycetes
•Called sac fungi or cup fungi
Fungi
Two phyla worth remembering:
•Ascomycetes
•Called sac fungi or cup fungi
•Includes truffles, morels, and bread mold
Fungi
Two phyla worth remembering:
•Ascomycetes
•Called sac fungi or cup fungi
•Includes truffles, morels, and bread mold
•Also includes the mold
we used to study freq-
uency of crossing over.
Fungi
Two phyla worth remembering:
•Basidiomycetes
•Called club fungi
•Includes mushrooms, shelf fungi, and puffballs
Fungi
Ecological significance of fungi:
•Microrrhizae help plants like soybeans to fix nitrogen from the soil.
Fungi
Ecological significance of fungi:
•Cattle and insects both use fungi to help digest plant matter. Some insects will actually “farm” the fungi.
Fungi
Ecological significance of fungi:
•Lichens are a symbiotic association of fungi with algae.
Fungi
Pathogens:
•Corn smut.
Fungi
Pathogens:
•Tar spot.
Fungi
Pathogens:
•Aspergillus.
Fungi
Pathogens:
•Ergot.
Fungi
Pathogens:
•Athlete’s foot
•Ringworm
•Candida (yeast infection)
•Sick building syndrome
Fungi
Practical uses:
•Roquefort and bleu cheeses
•Baker’s yeast and brewer’s yeast
•Penicillin
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