| Answer | Crossword Clue |
|---|---|
| AMOEBA | Simplest animal form. |
| AMOEBAE | Simplest form of animal life. |
| AMEBA | Simplest known animal. |
| AMOEBA | Simplest known animal. |
| CASH | Simplest form of payment |
| AMOEBOID | Like simplest form of life. |
| SPURGEAR | Simplest form of toothed wheel. |
