Answer:
Anaerobic process.
Explanation:
The oxygen is important for the survival of the living organism. The respiration or any other process that takes place in the presence of oxygen is known as aerobic process.
Some organisms does not require oxygen for their process is known as aerobic process and the organisms are known as anaerobic organisms. They can respire and metabolism process occur in the body in the absence of oxygen. Example: some bacteria and yeast.
Thus, the answer is anaerobic process.
