| A | B |
| stigma | Another name for Eyespot of the Euglena protist. |
| food vacuole | The sack inside a paramecium or amoeba that holds and digests food. |
| Phagocytosis | Process by which a protist engulfs and eats its food |
| oral groove | The opening in paramecia that takes in food. |
| cytoplasm | The inside material of a cell. |
| didinium | A protozoa that eats parameiu whole. |
| podophyra | A protozoa that eats paramecium using tentacles (Psuedopodia) and eats by fully engulfing the paramecium into its cytoplasm. |
| Algae | Protists that make their own food via photosynthesis. |
| saprophytic | Ability to absorb food from the surrounding environment. |
| zooplankton | Tiny floating animals or protozoans. |
| phytoplankton | Tiny floating photosynthetic organisms, mostly called algae |