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Domain Bacteria

Domain Bacteria. Contains only one kingdom – Eubacteria Cell type : Prokaryote Cell structures : Cells with peptidoglycan # of cells : Unicellular Nutrition : Autotroph or heterotroph Examples : Streptococcus, Escherichia coli These are your ORDINARY, every-day bacteria.

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Domain Bacteria

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  1. Domain Bacteria • Contains only one kingdom – Eubacteria Cell type: Prokaryote Cell structures: Cells with peptidoglycan # of cells: Unicellular Nutrition: Autotroph or heterotroph Examples: Streptococcus, Escherichia coli These are your ORDINARY, every-day bacteria.

  2. E. coli This bacterium (brown) is being attacked by dozens of bacteriophages (viruses that attack bacteria)

  3. Domain Archaea • Contains only one kingdom – Archaebacteria Celltype: Prokaryote Cell structure: Cell walls without peptidoglycan # of cells: Unicellular Nutrition: Autotroph or heterotroph Examples: Methanogens, halophiles, thermophiles These are your EXTREME ENVIRONMENT organisms. Although they are unicellular, they are probably more closely related to humans than they are to Eubacteria.

  4. Domain Eukarya • Contains 4 kingdoms • 1) Protista • 2) Fungi • 3) Plantae • 4) Animalia

  5. Kingdom: Protista • Cell type: Eukaryote • Cell structures: Cell walls of cellulose in some (but not all), some have chloroplasts • # of cells: Most unicellular; some colonial; some multicellular • Nutrition: Autotroph or heterotroph • Examples: Amoeba, Paramecium, slime molds, giant kelp, algae

  6. Protozoan

  7. Bundles of cilia This one is about to be eaten! Two protozoans…

  8. Kingdom: Fungi • Cell type: Eukaryote • Cell structures: Cell walls of chitin • # of cells: Most multicellular; some unicellular • Nutrition: Heterotroph • Examples: Mushrooms, yeast, mold

  9. Extreme close-up of the underside of a mushroom, showing the reproductive spores (brown dots).

  10. ExtrEEEEEEEEme closeup of mushroom spores!

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