| Clue | Source | Date |
|---|---|---|
| Family relative behind leader of environmental movement | ||
| See 5-Across | New York Times | 16 Jun 2021 |
| Movement, motion | The Times Concise | 24 Oct 2020 |
| Movement under stimulus | Universal | 22 Nov 2018 |
| Energy put into family's lives stimulated movement | ||
| Movement under stimulus | ||
| Response to a stimulus | Universal | 07 Oct 2016 |
| Response to a stimulus | ||
| Stimulus response | ||
| Activity of an organism in response to light, e.g. |