| Answer | Crossword Clue |
|---|---|
| ALGAE | Simple aquatic organisms |
| ALGAE | Aquatic organisms |
| ALGAE | Primitive aquatic organisms |
| NEKTONIC | Pertaining to aquatic organisms |
| ALGAE | Simple organisms |
| AMOEBAS | Simple organisms |
| MONADS | Simple organisms. |
| MONADS | Simple organisms |
| AMEBAE | Simple organisms |
