Disease-Causing Fungi
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Transcript of Disease-Causing Fungi
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Disease-Causing
Fungi
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Discuss three diseases you know something about. What are the effects of these diseases?
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Essential Question
How do disease-causing fungi affect plants?
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Fungi:• One of the five kingdoms of organisms.• Not autotrophs (can’t make their own
food)• Many fungi grow in or on other organisms
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Fungi are heterotrophs, but they don’t move. How do they get their food?
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Fungi & Plants• Some Fungi cause diseases in those plants
that result in huge crop losses.• A Fungus infected tree, fruit or grass can
eventually be killed• Examples: –Grain Mold–Corn Smut–Wheat Rust
Mold growth covering a decaying peach.
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Why is wheat rust dangerous?
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Why is corn smut dangerous?
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Crops Affected by Fungi• Corn• Wheat• Rice• Cotton• Rye• Soybeans
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Irish Potato Famine
Read the first four paragraphs on this site:http://www.historyplace.com/worldhistory/famine/begins.htm
What affect did the potato famine have on Ireland and the United States?
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Are Fungi The “Bad Guys”?• Some fungi are helpful.• Fungi help decompose
(break down) dead things• People use some fungi as
medicine (penicillin)• Some animals
eat fungi
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Corn SmutHelpful or Harmful?
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Wheat RustHelpful or Harmful?
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MushroomsHelpful or Harmful?
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Grain MoldHelpful or Harmful?
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Penicillin Helpful or Harmful?
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Fungi on Dead Tree TrunkHelpful or Harmful?
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