Fungus

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Author:
nicoled
ID:
49661
Filename:
Fungus
Updated:
2010-11-15 01:33:54
Tags:
klooster
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Description:
bio 110
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  1. Fungi
    Spore producing heterotrophs that include chitin in their cell wall
  2. Spore
    Little asexual reproductive bodies
  3. Heterotrophs
    Require carbon from outside source
  4. Chitin
    Nitrogen containing polysaccharide
  5. Mycelium
    Body of a fungus
  6. Hypha
    each filament in the mycelium
  7. Relationship to other Eukaryotes
    • more closely related to animals than they are with plants
    • heterotrophic
    • Chitin, (exo-skelleton)
  8. 5 mayor groups of Fungi
    • I. Chytrids
    • II. Zygote Fungi
    • III. Glameromycetes
    • IV. Sac Fingi
    • V. Club Fungi
  9. Chytrids
    • primitive,
    • early ancestor,
    • require moist or wet environments
    • they produce spores that swim (with flagellum)
    • decomposers= saprophytes, recycle remains thus recycling materials
    • they infect/ harm amphibians because of human movement
  10. Zygote Fungi
    • produce zygospore during reproduction
    • 2 hyphi join and exchange genetic material into a zygospore= only diploid stage
    • -most of their life cycle is spent as a haploid mycelium
    • [They are common in moldy bread, fruit or veggies because they are sapping nutrients
  11. Glameromycetes
    • Most important in plant root cells 90% of plants have an association with roots and fungi in soil. Micronutrients and and phosphates from soil exchange of rare micronutrients, and photosynthesis by the plants.
    • -They are known to produce asexual
    • -mutualism between fungi and roots
    • -fungi offers micronutrients
    • -plant offers sugars (carbohydrates)
    • -soil fungus= mycorrhizae
  12. Club Fungi
    • Important decomposers of wood
    • have the largest most complex fruiting bodies of all fungi
    • Cap/ Stalk
    • Cap= underneath the cap are where the spores are reproduced
  13. Lichens
    • are not just fungi
    • made out of sac fungus + green algae
    • or sac fungus + siano bacteria
  14. Mutually beneficial partnership with plants
    Fungi can live in stems, leaves or roots
  15. mutualism
    • alage - ascomycetes
    • ascomyceted - siano bacteria
  16. 3 main groups
    • i. Fruticose
    • ii. Foliose
    • iii. Crustose
    • each indicates growth form of lichens

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