Related Clues:

• It finds it difficult to keep in shape
• In Rome I love to be back with a simple form of life
• A second little boy coming back as a shape-shifter
• In a trice English graduate gets a bug
• Protozoan of ever-changing shape
• Microscopic, single-cell creature
• Unicellular form
• Microscopic life form
• Single-celled form of life of ever-changing shape
• Microscopic blob
• San Francisco record shopper's destination
• Single-celled critter
• Shapeless cell
• 'The Far Side' organism
• Confused revolutionary with English graduate found in single cell