Thursday, January 27, 2011

Kingdom Eubacteria

  • Describe:
    • large group of unicellular organisms
    • Typically a few micrometres in length
    • wide range of shapes, ranging from spheres to rods and spirals
  • Body Plan:
    • unicellular
  • Divergent Event:
    • ancestors of modern bacteria - single-celled microorganisms that were the first forms of life to develop on earth about 4 billion years ago.
    • Here eukaryotes resulted from ancient bacteria entering into endosymbiotic associations with the ancestors of eukaryotic cells- which were themselves possibly
  • Metabolism:
    • both 
      • autotrophic – cyanobacteria
      • heterotrophic - E. Coli
  • Digestion:
    • intracellular
  • Circulation:
    • None
  • Respiration:
    • None
  • Nervous:
    • None
  • Reproduction:
    • asexual
  • Examples:
    • Lactobacillus acidophilus – found in dairy products, Nitrogen Fixing Bacteria

    • Cyanobacteria

    • E. Coli

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