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Algae_Classification[1] - SCI 240 –ALGAE CLASSIFICATION...

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Unformatted text preview: SCI 240 –ALGAE CLASSIFICATION LINEAGES Archeaplastida Archeaplastida Euglenozoans Straminopiles Heterokonts Straminopiles Heterokonts Straminopiles Heterokonts Alveolates Archeaplastida DIVISION CHL TYPE & PIGMENTS Chlorophyta Green Algae Chl a and b, Carotenoids, Xanthophylls Charophyta Green Algae Chl a and b, Carotenoids, Xanthophylls Euglenophyta Phaeophyta Brown Algae Chl a and b, Carotenoids, Xanthophylls Chl a & c Carotenes, xanthophylls (fucoxanthin) Chrysophyta Golden Algae Chl a and Carotenes, Xanthophyll Bacillariophyta Diatoms Chl a and c, Carotenes and Xanthophylls Dinoflagellata Chl a &c Carotenoids, Xanthophylls (fucoxanthin) Rhodophyta Red Algae Chl a & d, Carotenids Phycobilins (phycoerythrin) FOOD STORAGE Starch CELL WALL COMPONENTS Cellulose HABITAT UNI- OR MULTICELLULAR SPECIAL TRAIT Most fresh, terrestrial, few marine Unicellular, colonial, filamentous, parenchym. Diverse, some symbionts, diverse cycles TYPE, # AND POSITION OF FLAGELLA 1 – many. Apical. Starch Cellulose 2, Subapical Fresh, Brackish Paramylon Absent 1 – 7, apical. Variable Unicellular, colonial filamentous, parenchym. Unicellular Laminarin Cellulose, alginic acid 2, lateral Marine, Brackish, Fresh Most multicellular Chrysola ­ minarin Leucosin Starch Floridean Starch Cellulose Silicon Cellulose or absent Cellulose, some CACO3 2, unequal 1, apical or absent Fresh, Marine Fresh, Marine 2, one trailing, one girdling Marine, Brackish, Fresh absent Marine, Brackish, Fresh, some @ deep water Most unicellular, some colonial All unicellular, some colonies Unicellular Most multicellular Diverse, some symbionts, diverse cycles 3 chl membr (endosymb) Lrgst/complex (Kelps), some edible Form resistant cysts, viable for decades Unique cell walls and division, imp plankton Alveoli Produce imp. emulsifiers (agar), some edible (nori) ...
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