1. Using a Compound Light Microscope And Observing Live Protists

2. how you found sizes of microorganisms If the field diameter at 400 X is 450 µm, How big is one of the following cells? HINT: Divide 450 µm how many across

3. Human Skin Cells 400X Nucleus plasma membrane cytoplasm

4. Onion Cells 400 X nucleus Cell wall

5. Potato Cells 400 X Dyed with iodine Starch crystals

6. Elodea Cells 100 X 400 X chloroplasts

7. Elodea Cells In fresh water In salt water Full water vacuole empty water vacuole

8. Cyclosis in Elodea Cyclosis in Elodea 1:09 Cyclosis in Elodea Elodea cyclosis 1:56 Elodea cyclosis Rapid cycling of cytoplasm You can see the chloroplasts moving also

9. STENTOR Stentor youtube 2:36 Stentor youtube Stentor Cilia 40 sec Stentor Cilia Horn-shaped Up to 2 mm long Cilia to bring in food Stretches

10. Blespharisma Blespharisma Youtube 2:49 Blespharisma Youtube Blespharisma 2:18 Blespharisma 150-300 µm long Ciliate Eat bacteria by drawing them in Often pink

11. Paramecium 50- 330 µm Slipper-shaped Cilia, can spiral move HD paramecium 13:06 HD paramecium Paramecium eating dyed yeast (Congo Red) 1:59 Paramecium eating dyed yeast (Congo Red)

12. Euglena 25-100 µm Flagellate Euglena youtube 14:46Euglena youtube Nice flagella movement 51 secsNice flagella movement Presence of flagella (animal-like) Chlorophyll (plant-like) Red spot (light sensitive)

13. Spirostomum Spirostomum youtube 50 secs Spirostomum youtube HD Spirostomum 1:40 HD Spirostomum  1-3 mm long  Spiral rows of cilia  Can be seen without a microscope mouth