Related Clues:
- Bio 101 studies
- Tiny shape-shifters
- Slide creatures
- Living blobs
- Perhaps pond-life seem to incite pub brouhaha, all ending in casualty
- Amorphous creatures
- Slide organisms
- Movers on a slide
- One-celled critters
- They're often seen on slides
- Simple animals
- Second US president back in A&E — cause of dysentery?
- One-celled pond dwellers
- Creatures named for their changing shape