Ch 16C T3 – T4 - Ch 16C T3 T4 10:22:00...

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Ch 16C T3 – T4 20/02/2008 10:22:00 Topic #3 Phylogeny of Protist Polyphyletic group Very Diverse Classification is in flux Multiple kingdoms of protists are now being recognized Topic #4 Characteristics of Protists Approx 60,000 known species Most uni-cellular, some multicellular Most aquatic, (fresh or salt water or in body fluids) some live in moist  terrestrial environments Metabolism o Photoautotrohps Plant-like protist, “algae” Green algae (D. Chlorophyta) o Chemoheterotrophs Some absorb food (fungus like) Mildew (D. Oomycota) Some ingest food (animal like) Amoeba (D. Rhizopoda) o Mixotrophs = can function as autotrophs or heterotrophs 
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