Mitochondria creates power for the cell which is why the are sometimes referred to as the powerhouse of a cell
Explanation:
It can do three things:
1) It can erode/weather to form new sediments that later become a new sedimentary rock.
2) It can undergo heat and pressure changes and become metamorphic rock.
3) It can be melted and solidify into igneous rock.
Once this happens, it can repeat any of these processes.
This would be the organ. The order of all would be organelle, cell, tissue, organ, organ system, organism.