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Kingdom Fungi . Unit 2 - Biodiversity. Kingdom Fungi. Eukaryotic Mostly Multicellular Yeasts are unicellular Heterotrophic by absorption Walls made of CHITIN Decomposers Live off dead or decaying matter Parasites Live off a living host. Structure of Fungi . Composed of hyphae

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kingdom fungi

Kingdom Fungi

Unit 2 - Biodiversity

kingdom fungi1
Kingdom Fungi
  • Eukaryotic
  • Mostly Multicellular
    • Yeasts are unicellular
  • Heterotrophic by absorption
  • Walls made of CHITIN
  • Decomposers
    • Live off dead or decaying matter
  • Parasites
    • Live off a living host
structure of fungi
Structure of Fungi
  • Composed of hyphae
    • Branched filaments (groups of cells) surrounded by a hard chitin cell wall.
    • Makes up the body of the fungi
      • All except yeast, they are unicellular
  • Mycelium
    • Mass of hyphae, similar to the roots of a plant
  • The visible part of the fungus (both in mold and mushrooms) is called the fruiting body.
structure
Structure

Hyphae

Whole Structure

how does fungi reproduce
How does fungi reproduce?
  • Reproduce by spores
    • Reproductive cells
      • Can reproduce both sexually and asexually
    • Held by the hyphae in a sporangia (spore case)
    • Where new spores land, new fungus will grow.
      • Think about how easily mold spreads on bread, or when you chop up a mushroom with the lawn mower and new mushrooms pop up.
      • Spores are spread by wind, water, animals, etc.
how do they eat
How do they eat?
  • Heterotrophic decomposers (some parasites).
  • Secrete digestive enzymes that decompose complex molecules into simple molecules like sugars and carbs.
    • Molds digestive carbs in things like bread
    • Mushrooms digest carbs and cellulose from the cell walls of wood and plant cells.
fungi and you
Fungi and you

Positive Aspects of Fungi

Negative Aspects of Fungi

  • Decomposers
  • Food (mushrooms, truffles, etc.)
  • Lichens grow on rocks and help produce soil
  • Yeasts are used in baking and brewing industry
  • Antibiotic Production
  • Food Spoilage
  • Diseases
    • athlete’s foot, ringworm, plant blight (American chestnut)
  • poisonous mushrooms