Unicellular and mulitcellular


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Unicellular Organisms in IN

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Unicellular and mulitcellular

  1. 1. Types of Organisms Unicellular Organisms vs. Multicellular Organisms
  2. 2. What is an Organism?Definition: Organism – anything that can live on its own
  3. 3. UnicellularOrganisms
  4. 4. Unicellular OrganismsDefinition: Unicellular organism – an organism made of only one cellInformation: These organism are very small and need to be seen with a microscope.
  5. 5. Unicellular: Common Names• Microscopic Organisms• Microorganisms• Really small living things
  6. 6. Examples of Unicellular Organisms• Amoeba• Bacteria• Unicellular Fungi• Unicellular Yeasts
  7. 7. Images of Unicellular Organisms
  8. 8. Multicellular Organisms
  9. 9. Multicellular OrganismsDefinition: Multicellular organism – an organism made of two or more cellsInformation: These organisms are able to be seen with the naked eye. These organisms need all parts of itself to survive.
  10. 10. Common Names• Many – celled organisms• Eukaryotic organisms• Mammals• Birds• Reptile• Fish• Many others…
  11. 11. Examples ofMulticellular Organisms• Humans • Birds• Cats • Flowers• Dogs • Mold• Insects • Trees
  12. 12. Images of Multicellular Organisms
  13. 13. Sample Question Question: What type of organism is a hamster? Answer: Multicellular Page 1
  14. 14. Sample Question Question: What type of organism is bacteria? Answer: Unicellular Page 1
  15. 15. Bacteria• A unicellular microorganism lacking organelles and an organized nucleus• Some can cause disease.
  16. 16. How do they reproduce?• Every bacteria that lives today is the same bacteria that’s been around for ages and ages.• When bacteria go through the cell division process they can survive on their own.
  17. 17. • Bacteria Dividing
  18. 18. Stand Up!• Stand on the left hand side of the room if you think all bacteria is bad.• Stand on the right hand side of the room if you think all bacteria is good.
  19. 19. Listen Up!• Bacteria is actually helpful!• Do you know anyone with diabetes?• Using genetic engineering, we can actually make insulin using bacterium.
  20. 20. How is it done?• Animation
  21. 21. Insulin from Bacteria
  22. 22. What else do we do with bacteria? • Oil Eating bacteria • Yogurt • Cheese • Sauerkraut • Pickled Ginger • Wine/Beer • Olives • Dill Pickles • Soy Sauce
  23. 23. Oil Eating Bacteria• Gulf Oil Spill
  24. 24. Write 5 Test Questions• Example: – Explain the difference between unicellular and multicellular organisms. – How can bacteria be useful?• Trade with a classmate• See if you can answer the questions.
  25. 25. Read Article – Your Choice1. Write three questions you would like to ask a scientist who is working on a new way to use bacteria.2. Write three reasons scientists should continue researching ways to use bacteria in industry.3. Draw four ways bacteria is used in industry.
  26. 26. What Interested Me?• Write in your notes what interested you.
  27. 27. Why Should I Care?• Why should you care about what we talked about today?