Related Clues:
- Simple life
- They haven't any definite forms
- Microscopic creatures
- Single-cell protozoans
- Microscope slide bunch
- They're seen under slides
- Specimens on microscope slides
- Jellylike blobs
- Slide viewings, perhaps
- One-celled organisms
- Small pond dwellers (Var.)
- Ones with pseudopods
- Single-celled critters
- They multiply by dividing
- School lab subjects