FUNGI
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Transcript of FUNGI
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FUNGI
State Standards:
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Fungi
1) Multicellular organisms that live on their food source.
Heterotrophic (can be decomposers)
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DecomposersGet their energy from the remains of organic compounds.
Such as leaf litter, dead organisms
“Earth’s clean-up crew”
REMEMBER: bacteria also help with decomposing!
Can be Saprophytes
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Fungi
2) Reproduce by forming spores.
Puffball releasing
Spores into the air.
Giant Puffball
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Fungi
3) Grow by forming hyphae (threadlike extensions).
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Fungi
Mycelium –
clump of hyphae.
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Symbiotic Relationships?
A close relationship between two organisms where at least one benefits.
Examples: Nemo and the Sea Anemone
Fungi that help protect plant roots from drought
CAN BE MUTUALISTIC (+ +), COMMENSALISM (+ 0), or PARASITIC (+ -)
http://www.youtube.com/watch?v=XuKjBIBBAL8 ANT KILLER
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Question
If spores can travel great distances and hyphea can grow quickly, why are we not overrun by fungus?
Not all of the places that the spores land are suitable for growth
And few fungi live long enough to produce offspring
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There are 3 main phyla of fungi:
Sporangium fungi
Club Fungi
Sac Fungi
Fungi are placed into these phyla based on the
structures they use to make spores.
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Example: MOLDS
1- Sporangium Fungi
Rhizopus
Stachybatrus
Bread mold
Water mold
Cheese mold:
Blue, Roquefort,
Brie
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1- Sporangium Fungi
The hyphae have SPORANGIA at the ends
Sporangium
Hyphae Mycelium
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1- Sporangium Fungi
The hyphae have SPORANGIA at the ends
(round structures that produce spores).
Sporangium with
spores insideSporangium releasing
Spores
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1- Sporangium Fungi
Hyphae
Sporangium
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2- Club Fungi
Example:
MUSHROOMS
Corn Smut
Puffball
Puffball
Cross-section
Shelf
fungus
Coral Fungus
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2- Club Fungi
b) Produce spores from club shaped sacs called basidia.
Cap
Stipe Gills
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2- Club Fungi
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2- Club Fungi
Basidia with spores
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2- Club Fungi
Basidium
Spores
Cap
Stipe
Gills
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3- Sac Fungi
Tuber magnatum truffle:
A delicacy @
$1,000-$2,000 per lb.
Mitrula paludosa
Cup fungi
Cramp ball
Example:
YEAST
Dead Man’s
FingersSome molds:
Penicillium
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3- Sac Fungi
b) Produce spores inside a small sac called an
ASCUS.
An Ascus with
spores insideMany Asci
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3- Sac Fungi
Yeast cells producing asci.
Asci
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Lichens
1) A combination of a Fungus and an Algae living together.
Picture of lichen taken through
an electron microscope.
Algal cells Fungal cells
Lichens on ground
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Lichens2) Have a mutualistic relationship (they help each other).
a) Fungus provides protection and a place for the algae to live.
b) Algae makes food for both to live on.
c) Pioneers – ultimately leading to a forest community – SUCCESSION
LICHENS!
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Creditshttp://search.msn.com/images/details.aspx?q=basidia&color=both&size=1p&ht=277&wd=300&tht=118&twd=128&su=http%3a%2f%2fwww.math.tarleton.edu%2fcourses%2fbiolabs%2fPlant_Lab%2fLab_10-12%2fLab_12%2fcoprinus_basidia.htm&iu=http%3a%2f%2fwww.math.tarleton.edu%2fcourses%2fbiolabs%2fPlant_Lab%2fLab_10-12%2fLab_12%2fPictures%2fcoprinus_basidia.jpg&tu=http%3a%2f%2fimages.picsearch.com%2fis%3f6052023245612&sz=43