ANAEROBE
| Date | Clue |
|---|---|
| 2020-10-11 | It requires no oxygen for growth |
| 2012-09-16 | Septic tank worker? |
| 2010-10-20 | Organism that doesn't require oxygen |
| 2010-07-31 | Septic tank resident |
| 2008-07-15 | Bacterium that doesn't need oxygen |
| 2005-04-10 | Biology lab organism |
| 2000-06-02 | Oxygen eschewer |