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Kingdom: Protista
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What is a Protist? Eukaryotic Unicellular or multicellular
Heterotroph or autotroph Some have cell walls
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Movement & Support Pseudopods Cilia Flagella Some have cell walls
Shells of silica and calcium carbonate Some algae have holdfasts and air bladders Pellicle
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Digestion/Obtaining Nutrients
Heterotroph Endocytosis Diffusion Decomposers Oral groove, cilia, gullet, food vacuoles Autotrophs with pigments and chloroplasts
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Nervous/Response Nucleus (macro and micro) Formation of cysts
Eye spot for light detection Bioluminescent Produce toxins
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Circulation Flow of cytoplasm
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Gas Exchange Diffusion
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Excretion Diffusion Contractile vacuole Anal pore
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Reproduction Sexual – gametes Asexual – binary fission Conjugation
Spores Fragmentation
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Helpful Protists Algae Diatoms
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Harmful Protists Entamoeba histolytica Giardia lamblia
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Trichonympha Trypanosomes
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Gonyaulaux catanella Phytophtora infestans
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Malaria Plasmodium
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