| Answer | Crossword Clue |
|---|---|
| resonance | abnormally large vibration in response to an external stimulus |
| kinesis | An undirected movement of a cell, organism, or part in response to an external stimulus |
| orientation | An animal's change of position in response to an external stimulus, esp. with respect to compass directions |
| orientations | An animal's change of position in response to an external stimulus, esp. with respect to compass directions |
| taxis | oriented movement of a motile organism in response to an external stimulus, as toward or away from light |
| taxes | oriented movement of a motile organism in response to an external stimulus, as toward or away from light |
| tropism | The turning of all or part of an organism in a particular direction in response to an external stimulus |
