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Published byTeresa McKinney Modified over 9 years ago
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Using a Compound Light Microscope And Observing Live Protists
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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
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Human Skin Cells 400X Nucleus plasma membrane cytoplasm
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Onion Cells 400 X nucleus Cell wall
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Potato Cells 400 X Dyed with iodine Starch crystals
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Elodea Cells 100 X 400 X chloroplasts
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Elodea Cells In fresh water In salt water Full water vacuole empty water vacuole
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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
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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
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Blespharisma Blespharisma Youtube 2:49 Blespharisma Youtube Blespharisma 2:18 Blespharisma 150-300 µm long Ciliate Eat bacteria by drawing them in Often pink
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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)
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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)
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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
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