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End Show Slide 1 of 44 Copyright Pearson Prentice Hall 21-2 Classification of Fungi

End Show 21-2 Classification of Fungi Slide 2 of 44 Copyright Pearson Prentice Hall Classification Fungi are classified according to their structure and method of reproduction. The four main groups of fungi are: 1) Common molds (Zygomycota) 2) Sac fungi (Ascomycota) 3) Club fungi (Basidiomycota) 4) Imperfect fungi (Deuteromycota)

End Show 21-2 Classification of Fungi Slide 3 of 44 Copyright Pearson Prentice Hall The Common Molds 1) COMMON MOLDS  = Familiar molds that grow on meat, cheese, fruit, and bread Black bread mold, Rhizopus stolonifer, is a zygomycete / common mold

End Show 21-2 Classification of Fungi Slide 4 of 44 Copyright Pearson Prentice Hall The Sac Fungi 2) SAC FUNGI  Yeasts Yeasts are unicellular sac fungi. Yeasts reproduce asexually by budding. Dry granules of yeast contain ascospores, which become active in a moist environment.

End Show 21-2 Classification of Fungi Slide 5 of 44 Copyright Pearson Prentice Hall The Club Fungi 3)CLUB FUNGI  Club fungi gets its name from a specialized reproductive structure that resembles a club. includes shelf fungi, puffballs, earthstars, jelly fungi, and rusts.

End Show 21-2 Classification of Fungi Slide 6 of 44 Copyright Pearson Prentice Hall The Imperfect Fungi 4) IMPERFECT FUNGI  = Fungi that cannot be placed in other phyla because researchers have never been able to observe a sexual phase in their life cycles. Example = Penicillium notatum - a mold that is the source of the antibiotic penicillin.

End Show Slide 7 of 44 Copyright Pearson Prentice Hall 21-2 Fungi grow best in an environment that is a.cool. b.moist. c.dry. d.salty.

End Show Slide 8 of 44 Copyright Pearson Prentice Hall 21-2 Yeasts are a.ascomycetes. b.zygomycetes. c.basidiomycetes. d.deuteromycetes.

End Show Slide 9 of 44 Copyright Pearson Prentice Hall 21-2 Penicillium is a(an) a.ascomycete. b.basidiomycete. c.deuteromycete. d.zygomycete.

End Show Slide 10 of 44 Copyright Pearson Prentice Hall 21-2 The basidiospores of club fungi are produced on thin structures called a.fruiting bodies. b.buttons. c.gills. d.stalks.