Parent rocks.
( I got it wrong when I put Inorganic materials)
Answer:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
It is important because you need vitamins and minerals from them e.g. Scurvy no vitamin c
It makes sure they are in perfect condition for it to go through the cell cycle easier
