Comparing viruses, protists, bacteria, and

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Comparing viruses, protists, bacteria, and

  1. 1. Comparing Viruses, Protists, Bacteria, and Fungi<br />Mr. Johnston<br />Saigon South International School<br />
  2. 2. Viruses: Non-living, attach themselves to a host cell’s outer proteins to reproduce<br />Ebola<br />AIDS <br />Which is a more effective virus?<br />
  3. 3. Bacteria: <br />Reproduction<br />Food intake<br />Prokaryotes<br />Shapes<br />Needs….<br />Sexually or asexually ( Binary Fission or conjugation)<br />Heterotrophs or autotrophs<br />No nucleus, but may have a flagellum<br />Rods, cones, spirals<br />Oxygen to break down their food. This is called “Cellular Respiration”<br />
  4. 4. Some common bacteria shapes:<br />
  5. 5. What are bacteria good for?<br />Oxygen and food production (try samples)<br />Health maintainence and health production<br />Environmental Cleanup and recycling<br />Did you know?-Most bacteria are helpful in fighting off bad bacteria, or do not harm you at all!<br />
  6. 6. Protista<br />Cell structure<br />Food intake<br />Mobility<br />Four groups:<br />Eukaryotes<br />Heterotrophs and autotrophs<br />Some can move, others can’t. <br />Protozoans with pseudopods, protozoans with flagella, protozoans with cilia, protozoans that are parasites<br />
  7. 7. Types of Protozoans<br />
  8. 8. Fungi<br />Food intake<br />Function in ecosystem<br />Reproduces<br />Heterotrophs<br />Decomposer<br />Spores <br />
  9. 9. Parts of Fungi (Mushrooms)<br />Hyphae<br />Stalk<br />Head<br />Underground Hypae<br />
  10. 10. Group investigation<br />Observe the samples in your petri dish. Are they bacteria, protists, or fungi? What is your evidence? Can you make out any parts that distinguish them from one another?<br />

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