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11 Cards in this Set
- Front
- Back
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Absorptive Heteroptrophy
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Digestive enzymes are secreted to break down large food molecules in the environment
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Multicellular Fungi
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Body - mycelium
Hyphae - individual tubular filaments Cell Walls - strengthened by polysaccharide chitin |
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Chitin
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Polysaccharide that streghtens cell walls of multicellular fungi
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Septate
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Fungi species that hyphae are subdivided by incomplete crosswalls called septa
Organelles can move bw compartments |
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Coenocytic
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Fungi species with no speta but many nuclei
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Importance of Fungi
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Important to ecosystem functioning
Decompose dead organisms, cellulose, keratin, and recycle mineral nutrients Carbon cycle would fail w/out them - C would be buried instead of returned to atmosphere |
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Saprobes
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Absorb nutrients from dead organic matter
Declined during Carboniferous Period Flourished through extinctions esp. Permian |
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Parasitic
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Absorb nutrients from living hosts
Facultative: can grow on living organisms Obligate: can grow only on their specific host Pathogens- lethal to ppl with comprised immune system; ringworm and athletes foot Predatory- trap microscopic protists or animals |
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Mutualistic
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Live in intimate association with other organisms that benefit both partners
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Lichens
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Mutualistic association of a fungus with a cyanobacterium, photosynthetic alga, or both
Found on rocks and harsh environments |
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Soredia
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One or a few photosynthetic cells sorrounded by hyphae that disperse on air currents
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