Related Clues:
- Life form
- Bacterium requiring oxygen
- Breather
- Bacteria requiring oxygen
- Bacteriologist's study
- Entity
- Bit of bacterium
- Mycobacterium, e.g.
- Oxygen-dependent organism
- Oxygen-consuming bacterium
- Bacterium requiring oxygen, e.g.
- Oxygen-dependent bacterium
- Organism needing oxygen
- Living thing
- Oxygen-thriving organism