Chlorophyta (Green Algae)
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| motile colony; Volvox; vegetative on left; with daugher colonies within mother colonly (on right) | motile colony; flagella seen on top and bottom; Eudorina | Closterium; a desmid with two hemi-cells; chloroplast |
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| Staurastrum; a desmid with two, star-shaped hemi-cells | Microasterias; a desmid with two hemicells | Microasterias on left; Cosmarium on right; two desmids, each with hemicells | ||||
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 | Scenedesmus; a colony of 4-cells, each attached laterally with spine-like projections arising from each cells; chloroplast, nuclei | ||||
 
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| Spirogyra; unbranched filament; parietal, spiral-shaped chlorplast; photo on right shows central nucleus | Ulothrix: unbranched filament with parietal, "C"-shaped chloroplast. | Mougeotia: unbranched filament with "star-shaped" axial chloroplast. | ||||
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| conjugation in Spirogyra; zygospores | conjugation in Spirogyra; conjugation tube |
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