• Biology lab topics
• Little blobs on slides
• Low life?
• Microscope slide subjects
• Microscope views
• Microscope-slide organisms
• Microscopic creatures
• Microscopic shape-shifters
• One-celled creatures
• One-celled organisms
• One-celled swimmers
• Protean ones
• Pseudopod formers
• Shape shifters?
• Shapeless blobs
• Sights on slides
• Simple life forms
• Single-celled protozoa
• They haven't any definite forms
• They're often seen on slides
• They're often under the microscope
• Unicellular swimmers