| Answer | Crossword Clue |
|---|---|
| PARAMECIA | Microscopic denizens of fresh water. |
| rotiferal | any microscopic animal of the phylum (or class) Rotifera, found in fresh and salt waters, having one or more rings of cilia on the anterior end |
| rotifer | any microscopic animal of the phylum (or class) Rotifera, found in fresh and salt waters, having one or more rings of cilia on the anterior end |
