Kingdom: Protista.

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Presentation transcript:

Kingdom: Protista

What is a Protist? Eukaryotic Unicellular or multicellular Heterotroph or autotroph Some have cell walls

Movement & Support Pseudopods Cilia Flagella Some have cell walls Shells of silica and calcium carbonate Some algae have holdfasts and air bladders Pellicle

Digestion/Obtaining Nutrients Heterotroph Endocytosis Diffusion Decomposers Oral groove, cilia, gullet, food vacuoles Autotrophs with pigments and chloroplasts

Nervous/Response Nucleus (macro and micro) Formation of cysts Eye spot for light detection Bioluminescent Produce toxins

Circulation Flow of cytoplasm

Gas Exchange Diffusion

Excretion Diffusion Contractile vacuole Anal pore

Reproduction Sexual – gametes Asexual – binary fission Conjugation Spores Fragmentation

Helpful Protists Algae Diatoms

Harmful Protists Entamoeba histolytica Giardia lamblia

Trichonympha Trypanosomes

Gonyaulaux catanella Phytophtora infestans

Malaria Plasmodium

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