| Answer | Crossword Clue |
|---|---|
| hydrobiological | relating to hydrobiology, the study of aquatic organisms |
| Answer | Crossword Clue |
|---|---|
| hydrobiological | relating to hydrobiology, the study of aquatic organisms |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.