Related Clues:
- A graduate securing second degree ultimately is simple creature
- Brainless creature needs a second English degree
- What divides to multiply?
- Very small swimmer
- A leading entertainer in The Mafia is a parasite
- Parasite in a crowd outside The Orient Academy
- Simple animals
- Unicellular organism capable of changing its shape
- Second US president back in A&E — cause of dysentery?
- Protozoan on a slide
- Creatures named for their changing shape
- Tiny creature on a slide
- Smallest kind of living creature, consisting of only one cell
- Slide show?
- Lincoln rejected by Mao, upset to get life in single cell