Animal action is physical weathering
Aerobic respiration happens in the mitochondrion of eukaryotic cells.
Anaerobic respiration does not use oxygen gas and happens in one process after glycolysis called Fermentation.
The process used to make beer would be a kind of fermentation, Alcohol fermentation, I believe.
Fragmentation is the breaking of the body into parts and then the organism develops all the parts of the body. The fragmentation is the type of reproduction in lower organisms. The fragments which are produced can develop into new organisms.
This process of dna copying would be mitosis.
