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EX. 4 PREPARING A WET MOUNT AND OBSERVING
MICROSCOPIC ORGANISMS
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AlgaeKingdom – ProtistaEukaryotic, single celled or
multucellular organisms with a cell wall, live in water and are photosynthetic
Found in fresh water, sea water and salt water (Great Salt Lake)
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Prepared Algae Slides
1. Spirogyra 2. Ulothrix 3. Oedogonium 4. Chlamydomonas 5. Volvox
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Spirogyra Filamentous green
algae commonly found in fresh water
Chloroplasts are spirally arranged
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Ulothrix Filamentous green
algae found in fresh and marine water
Thrive in low temps of spring and winter
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Oedogonium Filamentous green
algae found in fresh water
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Chlamydomonas - Fresh water and
marine water
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Volvox - Freshwater algae found in ponds
and ditches
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Pond Water (Hay Infusion) Observe living microscopic organisms Check for life characteristics True Motility vs. Brownian Movement Phototaxis – positive or negative Chemotaxis – positive or negative Aerotaxis – positive or negative
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Paramecium Vorticella
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Paramecium Vorticello
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Actinosphareum Blepharisma
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Actinosphareum Blespharisma
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Rhodospirillum rubrum