| Clue | Source | Date |
|---|---|---|
| Single-___ (like protozoa) | ||
| Follower of one or single in biology | New York Times | 16 Dec 2023 |
| Single-___ organism | Universal | 30 Sep 2018 |
| Single-___ organism | ||
| Single-___ (like an amoeba) | USA Today | 22 Oct 2015 |
| Single-___ (like an amoeba) | ||
| Single-___ | ||
| Single-___ | ||
| Like all living organisms | ||
| They can be single or multi | ||
| Single-__ (like an amoeba) | ||
| Cooped up. |