| Answer | Crossword Clue |
|---|---|
| thermoperiodism | the effect on an organism of rhythmic temperature variations |
| Answer | Crossword Clue |
|---|---|
| thermoperiodism | the effect on an organism of rhythmic temperature variations |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.