| Answer | Crossword Clue |
|---|---|
| CELLULE | Tiny unit of an organism |
| AMOEBA | Tiny organism |
| MICROBE | Tiny organism |
| AMOEBA | Tiny organism. |
| AMEBA | Tiny organism |
| ALGA | Tiny organism |
| AMEBA | Tiny organism (var.) |
| ROTIFER | Tiny aquatic organism |
| ALGA | Tiny pond organism |
| AMEBA | Tiny organism (Var.) |
| ALGA | Tiny aquatic organism |
| AMOEBA | Very tiny organism |
| ALGA | Tiny organism that's often pluralized |
| BATHMICROBE | Tiny organism in the tub? |
