This document contains directions for students to define vocabulary words from a chapter on protists, including defining terms like bacteria, protist, sarcodines, ciliate, zooflagellate, sporozoan, pseudopod, ameoba, cilia, paramecium, flagellum, euglena, diatom, dinoflagellate, and slime mold. Students are also asked to provide an example for the terms sarcodines, ciliate, zooflagellate, and sporozoan.