LEC 23 - Biodiversity Approximate number of described...

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Biodiversity Approximate number of described species Mammals 5000 Birds 10,000 Fish 25,000 Reptiles 8500 Amphibians 5600 Plants 250,000 Insects 1,000,000
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Biodiversity Approximate number of described species Mammals 5000 Birds 10,000 Fish 25,000 Reptiles 8500 Amphibians 5600 Plants 250,000 Insects 1,000,000 Fungi 100,000
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Fungal diversity Ecological Saprobes Symbionts Morphology Fruiting structures Genetic Life cycles
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Decomposers: saprobes
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The Carbon cycle Fungi contribute
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Easy: Fruits Flesh Leaves Paper Cotton Decomposers
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Difficult : Bones Hair Cosmetics Paint Soap Leather Nails Fuel Wood Decomposers
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Examples of fungal enzymes Protease Proteins Lipase Lipids Cellulase Cellulose Amylase Starch Pectinase Pectin Chitinase Chitin Cutinase Cutin
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Wood Decay
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White rot fungi : break down cellulose, hemicellulose, lignin
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Brown rot fungi : break down cellulose, hemicellulose
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Positive uses of decomposition?
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This note was uploaded on 04/19/2009 for the course BIS BIS 2C taught by Professor 3differentprofs during the Winter '09 term at UC Davis.

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LEC 23 - Biodiversity Approximate number of described...

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