Related Clues:

• Tiny quantity
• Tick
• One that lives in a single cell?
• Tiny critter
• Blob
• Slide subject
• It bites the dust
• Arachnid
• Teeny amount
• Organism on a slide
• Little critter
• Unicellular critter
• Study in multiplication and division?
• Wee amount
• Tiny, pesty arachnid