| Answer | Crossword Clue |
|---|---|
| epinasty | a downward bending of plant parts |
| epinasties | EPINASTY, a downward bending of plant parts |
| geotropism | The growth of the parts of plants with respect to the force of gravity. The upward growth of plant shoots is an instance of negative geotropism; the downward growth of roots is positive geotropism |
| thigmotropism | The turning or bending of a plant or other organism in response to a touch stimulus |
| thermotropism | The turning or bending of a plant or other organism in response to a directional source of heat |
| thermotropic | bending towards or away from a heat source / a thermotropic plant |
