| A | B |
| protist | eukaryotic organism that is not an animal, a plant, or a fungus |
| protozoan | animal-like protist; is a heterotroph |
| algae | plant-like protist; makes its own food by photosynthesis |
| heterotrophs | any organism that cannot make its own food |
| cilia | hairlike projections of paramecium used for feeding and movement |
| slime mold | a type of funguslike protists that is a decomposer |
| dinoflagellate | member of a group of unicellular, photosynthetic algae with two flagella |
| phytoplankton | microscopic algae that lives in ponds, lakes, and oceans |
| zooplankton | micorscopic animals that swim or drift near the surface of aquatic environments |
| diatom | member of a group of unicellular algae with glasslike cell walls |
| seaweed | a large, mulitcellular marine algae |
| engulfing | process by which amoeba surround its food with its pseudopods |
| autotroph | includes both algae protists and plants that make their own food |
| flagellum | whiplike tail used for movement in some protists |
| eukayote | cell that contains a nucleus |
| pseudopods | bulges in the cytoplasm of amoeba that allow it to move |
| parasite | an organism such as giardia that does harm to its host |