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Fig. 31-1. Fig. 31-3 (b) Coenocytic hypha Septum (a) Septate hypha Pore Nuclei Cell wall.

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Presentation on theme: "Fig. 31-1. Fig. 31-3 (b) Coenocytic hypha Septum (a) Septate hypha Pore Nuclei Cell wall."— Presentation transcript:

1 Fig. 31-1

2 Fig. 31-3 (b) Coenocytic hypha Septum (a) Septate hypha Pore Nuclei Cell wall

3 Fig. 31-2 Reproductive structure Spore-producing structures Hyphae Mycelium 20 µm

4 Fig. 31-4 (b) Haustoria (a) Hyphae adapted for trapping and killing prey Nematode Plant cell wall Haustorium Plant cell plasma membrane Plant cell Fungal hypha Hyphae 25 µm

5 Basidium Fig. 31-19-4 SEXUAL REPRODUCTION Diploid (2n) Haploid (n) Dikaryotic (n +n) Key PLASMOGAMY Mating type (+) Haploid mycelia Dikaryotic mycelium Mating type (–) Basidia (n+n) Gills lined with basidia Basidiocarp (n+n) KARYOGAMY Diploid nuclei MEIOSIS Basidium containing four haploid nuclei Dispersal and germination Basidiospores (n) Basidium with four basidiospores Basidiospore 1 µm Haploid mycelia

6 Fig. 31-18 Shelf fungi, important decomposers of wood Maiden veil fungus (Dictyphora), a fungus with an odor like rotting meat Puffballs emitting spores

7 Fig. 31-11 Chytrids (1,000 species) Zygomycetes (1,000 species) Hyphae 25 µm Glomeromycetes (160 species) Fungal hypha Ascomycetes (65,000 species) Basidiomycetes (30,000 species)

8 Fig. 31-11a Chytrids (1,000 species) Hyphae 25 µm

9 Fig. 31-12 Flagellum 4 µm

10 Fig. 31-13-4 Rhizopus growing on bread SEXUAL REPRODUCTION Young zygosporangium (heterokaryotic) Gametangia with haploid nuclei Mating type (–) Mating type (+) Diploid (2n) Haploid (n) Heterokaryotic (n + n) PLASMOGAMY Key Diploid nuclei Zygosporangium 100 µm KARYOGAMY MEIOSIS Sporangium Spores Dispersal and germination ASEXUAL REPRODUCTION Dispersal and germination Sporangia Mycelium 50 µm

11 Fig. 31-14 0.5 mm

12 Fig. 31-15 2.5 µm

13 Fig. 31-16 Tuber melanosporum, a truffle Morchella esculenta, the tasty morel

14 Fig. 31-17-4 Key Haploid (n) Diploid (2n) Dikaryotic (n + n) Conidiophore Mycelium ASEXUAL REPRODUCTION Germination Hypha PLASMOGAMY Haploid spores (conidia) Conidia; mating type (–) Mating type (+) SEXUAL REPRODUCTION Dikaryotic hyphae Ascus (dikaryotic) Mycelia KARYOGAMY Diploid nucleus (zygote) Germination Asci Dispersal Ascocarp Eight ascospores Four haploid nuclei MEIOSIS

15 Fig. 31-20

16 Fig. 31-6 2.5 µm

17 Fig. 31-26 Staphylococcus Zone of inhibited growth Penicillium

18 Fig. 31-7 10 µm Parent cell Bud

19 Fig. 31-23 A foliose (leaflike) lichen A fruticose (shrublike) lichen Crustose (encrusting) lichens

20 Fig. 31-24 Algal cell Ascocarp of fungus Soredia Fungal hyphae Fungal hyphae Algal layer 20 µm


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