How are aerobic and anaerobic systems involved in nutrient cycling

Aerobic systems and anaerobic systems are both part of the cellular respatory system.
aerobic systems is your body creating ATP same with anaerobic systems, but the difference is it doesn't require oxygen.
If your body uses ATP in the process of photosynthesis which creates glucose aka nutrients both aerobic and anaerobic systems create ATP for photosynthesis.

Called for cell.

The gens present in the dna in the nucleus of the cell in the body