biology 101 unit 3b
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Biology 101 Unit 3B

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Biology 101 Unit 3B. Day Seven. Before Class starts…. Make sure you turn in your work from yesterday Algae Notes- let me stamp them Algae lab- turn in. Getting Started Wednesday 5-22. Why are algae of importance to all living things? Give at least three reasons. Today’s assignments: .

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before class starts
Before Class starts…
  • Make sure you turn in your work from yesterday
  • Algae Notes- let me stamp them
  • Algae lab- turn in
getting started wednesday 5 22
Getting Started Wednesday 5-22
  • Why are algae of importance to all living things?
  • Give at least three reasons.
today s assignments
Today’s assignments:
  • Fungi Notes- go to MHS website and copy down notes from my blog (under files)
  • Survey lab
fungi
Fungi
  • Characteristics
  • Eukaryotic
  • Most are multicellular – except yeasts
  • Nonmotile
  • Heterotrophic – acquire nutrients by absorption
  • Release digestive enzymes that digest plant cell walls and then grow into them
  • Mode of nutrition specializes fungi as: Saprophytes, parasites or mutualistic
fungi1
Fungi
  • Classified according to their spore producing structure
  • Typical Fungi
  • Hyphae – individual filaments
  • Mycelium – masses or network of hyphae
  • Hyphae have cell walls made of chitin
  • Rhizoid – root like hyphae
  • Stolons – Hyphae that run along the surface of the food
types of fungi
Types of Fungi
  • PHYLUM ZYGOMYCOTA
    • Zygomycetes
    • Terrestrial molds
    • Reproduce using sporangiophores that are capped by a sporangia containing spores.
    • Ex: Rhizopus stolonifer common bread mold
types of fungi1
Types of Fungi
  • PHYLUM BASIDIOMYCOTA
    • Club fungi
    • Reproduce using club-shaped structure called basidia that form basidiospores.
    • Ex: mushrooms, shelf fungi
types of fungi2
Types of Fungi
  • PHYLUM ASCOMYCOTA
    • Sac fungi
    • Reproduce by producing spores in an ascus- “little sac”
    • Ex: truffles, morels, yeast, dutch elm disease
types of fungi3
Types of Fungi
  • PHYLUM DEUTEROMYCOTA
    • Imperfect fungi
    • Do not know how they reproduce
    • Ex: penicillin, ringworm
fungi2
Fungi
  • Reproduction (handout 17.17)
  • Asexually – spores, fragmentation and budding
  • Sexually
quiz 7
Quiz 7
  • How are fungi classified?

a. color b. movement c. reproduction

  • Fungi that break down dead material are classified as ?

a. saprobes b. parasites c. mutualistic

  • Some fungi produce lightweight reproductive cells called ?

a. gametes b. mycelium c. spores

  • The rootlike structures found in fungi are called?

a. mycelium b. stipe c. rhizoid

  • The top of a mushroom is called?

a. cap b. gills c. stipe

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