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Unformatted text preview: Lichens-algae and ascomycetes (relatives to cup fungi) -fungus mycelium absorbs water and uses enzymes to extract nutrients from substrate -alga = photosynthesis carbs -how helpful o alga can live alone o hyphae of fungi penetrate algal cells and form absorptive structures -lichens produce flakes of combined fungus and alga (soredia) in a powdery mass on upper surface -others produce fragile, upright pillars (isidia) containing cells on both partners -dependent on atmosphere and rainfall for nutrition -Food o Deserts of the Middle East, the manna lichen ( Aspicilia esculenta) = foodstuff that save Old Testament children of Israel from starvation o George Washingtons troops-Radioactive materials in lichens reindeers people s o Nuclear reactor explosion in Chernobyl in 1986 -Usno = usnic acid = superior to penicillin -Lichens perfumes -Dye wool fabrics...
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This note was uploaded on 09/04/2011 for the course PLPA 2010 taught by Professor Hudler during the Spring '08 term at Cornell University (Engineering School).
- Spring '08