Types of Organisms Unicellular Organisms vs. Multicellular Organisms
What is an Organism? Definition: Organism – anything that can live on its own
Unicellular Organisms
Unicellular Organisms Definition: Unicellular organism – an organism made of only one cell Information: These organism are very small and need to be seen with a microscope.
Unicellular: Common Names Microscopic Organisms Microorganisms Really small living things
Examples of Unicellular Organisms Amoeba Bacteria Unicellular Fungi Unicellular Yeasts
Images of Unicellular Organisms
Multicellular Organisms
Multicellular Organisms Definition: Multicellular organism – an organism made of two or more cells Information: These organisms are able to be seen with the naked eye. These organisms need all parts of itself to survive.
Common Names Many – celled organisms Eukaryotic organisms Mammals Birds Reptile Fish Many others…
Examples of Multicellular Organisms Humans Cats Dogs Insects Birds Flowers Mold Trees
Images of Multicellular Organisms
Sample Question Question : What type of organism is a hamster? Answer : Multicellular Page 1
Sample Question Question : What type of organism is bacteria? Answer : Unicellular Page 1
Bacteria A unicellular microorganism lacking organelles and an organized nucleus Some can cause disease.
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.
Bacteria Dividing
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.
Listen Up! Bacteria is actually helpful! Do you know anyone with diabetes? Using genetic engineering, we can actually make insulin using bacterium.
How is it done? Animation
Insulin from Bacteria
What else do we do with bacteria? Oil Eating bacteria Yogurt Cheese Sauerkraut Pickled Ginger Wine/Beer Olives Dill Pickles Soy Sauce
Oil Eating Bacteria Gulf Oil Spill
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.
Read Article – Your Choice Write three questions you would like to ask a scientist who is working on a new way to use bacteria. Write three reasons scientists should continue researching ways to use bacteria in industry. Draw four ways bacteria is used in industry.
What Interested Me? Write in your notes what interested you.
Why Should I Care? Why should you care about what we talked about today?