| Answer | Crossword Clue |
|---|---|
| hypotheca | the inner and younger layer of the cell wall of a diatom |
| Answer | Crossword Clue |
|---|---|
| hypotheca | the inner and younger layer of the cell wall of a diatom |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.