| Answer | Crossword Clue |
|---|---|
| RESEATS | Helps, as an unhappy diner |
| zeitgeber | (German) an environmental cue, such as light, that helps to regulate the biological clock in an organism |
| zeitgebers | ZEITGEBER, (German) an environmental cue, such as light, that helps to regulate the biological clock in an organism |
| zeitgeber | an environmental cue, as the length of daylight, that helps to regulate the cycles of an organism's biological clock. |
