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CHAPTER 11: PROTISTS LAB: LIFE PROCESSES CHART Amoeba Paramecium Euglena Shape No definite shape Slipper shaped Oval shaped Movement Pseudopods (“fake feet”) Engulfs (swallows) food with pseudopods Cilia (like “hair”) Flagella (like “tail”) Food is swept into oral groove by cilia, then into the gullet Digestion Food is broken down in food vacuole Food is broken down in food vacuole Excretion Wastes are excreted through the cell membrane. Excess water is pumped out by the contractile vacuole Wastes are excreted through the anal pore. Excess water is pumped out by the contractile vacuole Makes food in chloroplasts or food enters through the cell membrane Food is broken down by enzymes in the cytoplasm Oxygen enters and carbon dioxide leaves through the cell membrane and pellicle Respiration Oxygen enters and carbon dioxide leaves through the cell membrane Response Moves toward food but away from unfavorable conditions such as bright light and dryness Oxygen enters and carbon dioxide leaves the cell through the cell membrane and pellicle (a thin layer) Moves toward food but away from bright light and dryness, moves backwards when bumps into object Oxygen enters and carbon dioxide leaves through the cell membrane and pellicle Moves towards areas of bright light Binary fission and conjugation Binary fission Ingestion Reproduction Binary fission, asexual
