| Answer | Crossword Clue |
|---|---|
| aerobe | organism, esp. a bacterium, that requires air or free oxygen for life |
| aerobium | organism, esp. a bacterium, that requires air or free oxygen for life |
| aerobia | organism, esp. a bacterium, that requires air or free oxygen for life |
| aerobes | organism, esp. a bacterium, that requires air or free oxygen for life |
| anaerobe | organism, esp. a bacterium, that does not require air or free oxygen to live |
| anaerobes | An organism that grows without air, or requires oxygen-free conditions to live |
