| Answer | Crossword Clue |
|---|---|
| frustules | FRUSTULE, the shell of a class of algae |
| frustules | The silicified cell wall of a diatom, consisting of two valves or overlapping halves |
| Answer | Crossword Clue |
|---|---|
| frustules | FRUSTULE, the shell of a class of algae |
| frustules | The silicified cell wall of a diatom, consisting of two valves or overlapping halves |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.