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Complete Phylogeny of Kingdom Protista

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complete outline of all species belonging to Kingdom Protista (protists)

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Domain: Eukaraya Protist Species Diversity • Diplomonadida – no DNA in mitochondria, no plastids Diplomonads: 2 equal sized nuclei Multiple flagella ex-Giardia intestinalis • Parabasala – modified mitochondria Parabasilids: includes trichomonads ex-Trichomonas vaginalis • Euglenozoa – flagella with unique spiral internal structure Kinetoplastids: single, large mitochondrion contains DNA called kinetoplast Live in marine water, freshwater, moist terrestrial environments ex-Trypanosoma levisi (causes African Sleeping Sickness) Euglenids: pocket at end of cell from which 1 or 2 flagella emerge Contain paramylon, glucose polymer that functions as a storage molecule ex-Euglena • Alveolata – have sacs beneath the plasma membrane Dinoflagellates: components of marine and freshwater phytoplankton Most are unicellular, some are colonial Photosynthetic Apicomplexans: parasites Spread sporozoites – tiny infectious cells Apex with organelles for penetrating host cells ex-Plasmodium Ciliates: macronucleus & micronucleus Use cilia to move and feed ex-Paramecium • Stramenopila – have “hairy” and smooth flagella Oomycetes: water mold and their relatives Heterotrophic Lack chloroplasts Have hyphae but not fungus because no chitin in cell wall Bacillariophytes (Diatoms): photosynthetic plankton members Cell wall contains silica (glass) Chrysophyta (Golden Algae): biflagellated photosynthetic autotrophs Both flagella attach near 1 end of cell wall Phaeophytes (Brown Algae): largest and most complex algae Includes seaweeds • Cercozoa – have threadlike pseudopodia Foraminiferams: multichambered cells Chlorarachniophytes • Radiolaria – have threadlike pseudopodia Radiolarians: skeletons fused into one piece • Amoebozoa – lobe-shaped pseudopodia Amoebas: unicellular Use pseudopodia to move and feed Entamoebas Plasmodial Slime Molds Cellular Slime Molds • Rhodophyta – closest relative of land plants Red Algae: edible sea weed No flagellated stage in life cycle • Chlorophyta – closest relative of land plants Green Algae: phytoplanktonic
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