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The Eukaryotes 12a: Protozoans
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Eukaryotes in general cells chromosomes made of chromatin cell division: mitosis & cytokinesis (if) sexual reproduction meiosis fertilization
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http://tolweb.org/Eukaryotes/3
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Kingdom Protista highly diverse; may be more than 1 mostly unicellular 2 “lifestyles” photoautotrophic: algae chemohetero & often mobile: protozoa
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Protozoa nutrition trophozoite vs. cyst “free-living” vs. parasite Protozoa locomotion cilia/flagella/amoeboid flow by vector Protozoa life cycle & reproduction asexual: fission, budding, coenocyte, schizogony
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budding coenocyte schizogony
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Protozoa nutrition trophozoite vs. cyst “free-living” vs. parasite Protozoa locomotion cilia/flagella/amoeboid flow by vector Protozoa life cycle & reproduction asexual: fission, budding, coenocyte, schizogony sexual: gametes, zygote Protozoa habitat
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Eukaryotic Life Cycles/Histories and some protists (adult) Spores
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http://tolweb.org/Eukaryotes/3
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P: Fornicata Diplomanada = diplomonads: Giardia lamblia
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http://tolweb.org/Eukaryotes/3
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P: Parabasala Trichomonas vaginalis
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http://tolweb.org/Eukaryotes/3
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P: Euglenozoa/phyta Euglenids Euglena
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Secondary endosymbiosis
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Kinetoplastids trypanosomes = hemoflagellates Trypanosoma brucei gambiense T. brucei rhodesiense T. cruzi
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mucocutaneous form cutaneous form Kinetoplastids trypanosomes = hemoflagellates Leishmania also a visceral (organ-attacking) form
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http://tolweb.org/Eukaryotes/3
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Alveolates P: Ciliophora = ciliates Didinium Paramecium
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ciliate conjugation
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Vorticella
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Alveolates P: Apicomplexans
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Plasmodium P. falciparum, P. vivax, P. ovale & P. malariae
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Cyclospora cayetensis
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Toxoplasma gondii
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Alveolates P: Pyrrophyta = Dinoflagellates red tide Peridinium
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long exposure from Vieques Island, PR At UCSB 2003 Lingulodinium/Gonyaulax
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Alexandrium -> PSP Karenia/Gymnodinium breve -> NSP Pfiesteria -> PEAS
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http://tolweb.org/Eukaryotes/3
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Cercozoa P: Foraminifera (forams) CaCO 3 shells
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Cercozoa P: Radiolarians silica shells
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http://tolweb.org/Eukaryotes/3
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P: Amoebozoa = amoebas http://micro.magnet.fsu.edu/moviegall ery/pondscum/protozoa/amoeba/index.html
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Acanthamoeba
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Naegleria fowleri
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EID: Balamuthia mandrillaria
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Plasmodial slime mold: Physarum
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Cellular slime mold: Dictyostelium
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