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Golden Algae Brittney Jackson and Kaylee Kraft Basics • Phylum: Chrysophyta • Both freshwater and marine • Majority are photosynthetic – Pigments • Chlorophylls a & c • Carotenoids – Fucoxanthin • Energy reserves – Oils – Carbohydrates Acquiring Food • Some species eat bacteria – Others food particles • Most photosynthesize Classification and Importance • Extremely important in marine ecosystems – Large portion of nanoplankton – Nanoplankton: extremely minute algae that are great producers because of their abundance • Controversial Classification – Diatoms and golden algae – Brown algae – Golden algae divided • coccolithoporids Movement • Biflagellated • Some have no flagella – Similar to amoebas (physical characteristics), but have chloroplasts Structure • Unicellular • Small scales may coat the cells – Silica – Calcium carbonate Reproduction • Mostly asexual –Zoospores: Flagellated, motile spores