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21 Cards in this Set
- Front
- Back
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Fungi are ________ that feed by __________ and __________ |
heterotrophs; extracellular digestion; absorption
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Chitin |
a fibrous substance consisting of polysaccharides and forming the major constituent in the exoskeleton of arthropods and the cell walls of fungi. |
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Perforated Septa |
hole in the wall of the cell |
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Coenocytic fungi |
lack septa and have a continuous cytoplasmic mass with hundreds of thousands of nuclei |
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Hyphae (S and F) |
S: a chain of fungal cells end to end F: extracellular absorption (feeding/growth) |
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Fruiting Body (S and F) |
S: hyphae reconfigured F: reproduction/spore bearing |
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Haustoria (S and F) |
S: specialized hyphae
F: allow them to penetrate the tissues of host |
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Plasmogamy |
what results when mycelium fuse with another hyphae (+ and -) |
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Heterokaryon |
formed by plasmogamy |
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Dikaryon |
formed by plasmogamy |
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Karyogamy |
what happens when nuclei fuse |
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Mycorrhizae |
fungus that lives within the root system of plants |
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asexual reproduction is by fragmentation or the formation or the formation of _________ , smalll clusters of hyphae with embedded algae |
soredia |
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Mycosis |
the general term for a fungal infection in animals
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Endophytes |
fungi that live inside leaves or other plants |
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Lichen |
a symbiotic association between a photosynthetic microorganism and a fungus
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Pioneer Species |
new species to a specific area |
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What are the closest relative to fungi? |
animals and some protists |
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Why are fungi so important? |
they are nutrient recyclers, mutualist, pathogens, human use (food, antibiotics, genetic research, bioremediation) |
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When did fungi arrive? |
about 460 million years ago |
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Life Cycle of a Fungus |
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