Ex. 4 Algae and Protozoans
Download
Report
Transcript Ex. 4 Algae and Protozoans
Algae
Kingdom – Protista
Eukaryotic, 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)
Prepared Algae Slides
1. Spirogyra
2. Ulothrix
3. Oedogonium
4. Chlamydomonas
5. Volvox
Spirogyra
Filamentous green
algae commonly
found in fresh water
Chloroplasts are
spirally arranged
Spirogyra
Ulothrix
Filamentous green
algae found in fresh
and marine water
Thrive in low temps
of spring and winter
Ulothrix
Oedogonium
Filamentous green
algae found in fresh
water
Oedogomium
Chlamydomonas -
Fresh water and marine water
Volvox - Freshwater algae found in ponds and ditches
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
Amoeba
Euglena
Amoeba
Euglena
Didinium
Stentor
Didinium
Stentor
Paramecium
Vorticella
Paramecium
Vorticello
Actinosphareum
Blepharisma
Actinosphareum
Blespharisma
Volvox
Rotifers
Volvox
Rotifers
Rhodospirillum rubrum