It needs oxygen

• Member of a culture requiring oxygen
• Bacterium requiring oxygen
• Bacteria requiring oxygen
• Microscopic oxygen user
• Oxygen-requiring microorganism
• Organism needing oxygen
• Oxygen-thriving organism
• Oxygen-using organism
• Living thing

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Aerobe \Aer"*obe\, n. [See aerobies .] an organism such as a microorganism that requires oxygen for life or growth.