Fungi

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Fungi
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Fungi Characteristics

• Heterotrophs
• Mostly multicellular
• Sexual and Asexual reproduction
• Examples Mushrooms, mold, mildew, truffles,
  athletes foot, yeast

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Fungus Structure

• Whole body called mycelium, made up hyphae
  threads
• Fungal cell walls are made of chitin

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Internal structure
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Bread Mold Structure
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Modes of Nutrition

• Fungi are heterotrophic, feeding by absorption
• They can be saprobes, feeding off of dead remains
• Or they can be parasites, feeding off a living
  host, using special haustoria hyphae that
  penetrate living cells

This shows a parasitic fungal haustorium (pink)
invading a host organism (green)
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Ecological Roles

• Fungis roles in the environment include
• Decomposers
• Parasites
• Mutualistic relationships with plants
  Mycorrhizae and Lichens

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Fungal Diversity