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Fungi

This guide provides an overview of fungi, including their characteristics, structure, reproduction, and various forms. It also explores the role of fungi in decomposing, food production, medicine, and disease. Learn about mushrooms, yeasts, molds, and the fascinating symbiotic relationship between fungi and algae known as lichens.

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Fungi

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  1. Fungi A guide to Chapter 7 Fungus (FUHN-guhs): plural Fungi (FUHN-jigh)

  2. Characteristics of Fungi • Range in size: Unicellular to Multicellular • Heterotrophs • Asexually reproduce by spores. • Made up of hyphae.

  3. Feeding • Fungi release chemicals that digest the substance on which they grow. • Then they absorb the digested food. • Decomposers

  4. Structure of Fungi • Unicellular (yeasts) • Multicellular (all others) • Hyphae: threadlike tubes that make up fungi. • They grow very quickly.

  5. Reproduction of Fungi • Reproduce by spores. • Tiny reproductive cells enclosed in a protective cell wall. • Can be carried by the wind. • Spores are produced in Fruiting Bodies.

  6. Forms of Fungi • Mushrooms • Yeasts • Molds

  7. Mushrooms • Shaped like umbrellas • Stalk • Ring • Cap • Gills (spores) • Can be poisonous.

  8. Yeasts • Unicellular • Used to make bread. • Produces carbon dioxide. • Reproduce by budding.

  9. Molds • Fuzzy, shapeless, flat. • Used to make food. Tofu, soy sauce and cheeses. • Provide valuable medicines. • Grow on food.

  10. Penicillin • Scottish scientist Sir Alexander Flemming. • 1928 • Discovered Penicillin from the mold called Penicillium. • Antibiotic

  11. Fungi and Disease • Damage and kill plants • Damage stored crops • Produce toxins in plants that can harm humans and animals. • Can be used as pesticides. • Ringworm, athlete’s foot, toenail fungus.

  12. Lichens • Two organisms living symbiotically. • Fungus and Alga • Alga is an autotroph without roots, stems or leaves. • The fungus provides the water and minerals.

  13. Created by Mrs. Scibelli • Exploring Life Science (Prentice Hall) • Microsoft Encarta Encyclopedia

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