Empty diatom cells are called___________?
Correct answer: C. Frustule
- A. Raphe
- B. Valves
- C. Frustule
- D. Girdles
Explanation
A diatom’s rigid silica cell wall is called a frustule, and after the cell contents disappear, the empty frustule remains. The likely mistake is choosing valves, which are only the two overlapping halves that make up the frustule.
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