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VOCABULARY9 PROTIST – “kingdom Protista” – a kingdom of mostly one-celled eukaryotic organisms that are different from plants, animals, bacteria, and fungi. CILIA – hair-like structures covering the surface of some protists (i.e. Paramecium). Cilia move protists forward by beating back and forth. Protists also use cilia to sweep food toward the food passageway. COLONY – a group of organisms grown from a single parent cell (i.e. Volvox). CONTRACTILE VACUOLE – a structure in protists which can hold excess water and pump the excess water out of the protist. FLAGELLA – whip-like structures which move in a beating motion to move the protists. There may be 1 or more of these on a protist. PSEUDOPODIA – means “false feet”. Amoeba use pseudopodia to move. An amoeba stretches a pseudopod out in the direction it wishes to move then flows into the pseudopod.