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Kingdom Fungi

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

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  1. Kingdom Fungi Unit 2 - Biodiversity

  2. 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

  3. 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.

  4. Structure Hyphae Whole Structure

  5. 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.

  6. 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.

  7. 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

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