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