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1. Eukarya

2. Archaea

   • Characteristics
     • unicellular
       • spherical, rod, spiral
     • lack nuclear envelope
     • cell wall
   • Methanogens
     • Anerobes
   • Halophiles
     • Halobacterium
       • pink color in Great Lake
   • Thermophiles
     • Pyrococcus furiosis
     • Sulfolobus

3. Bacteria

   • Peplidoglycan in cell walls
   • Phylum Chlamydias
     • parasites in animals & lack peptidoglycan
     • Chlamydia trachomatis
       • STD causes blindness
   • Phyla Cyanobacteria
     • phytoplankton
     • photoautotrophs
   • Phylum Spirochetes
     • Helical heterotrophs
     • Treponema pallidum
       • syphilis
     • Borrelia bargdorferi
       • Lyme disease
   • Gram Negative
     • Phylum Proteobacteria
       • Class Alpha
         • Eukaryotic hosts
           • Rhizobium
             • live in roots of plants
       • Class Beta
         • Nitrosomonas
           • soil bacteria, nitrogen recycling
       • Class Gamma
         • many pathogens
           • Escherichia coli
             • food poisoning, UTIs
           • Salmonella
             • food poisoning
       • Class Delta
         • Myxobacteria
           • Chondromyces
             • fruiting bodies