The answer would be A) Cranial
the mitochondria provides energy
The growth on soap would not change that much, it will just change a little or just a bit of its part, but the damage would decrease the species growth elsewhere. Growth on soap will not change, but the damage had the chance to decrease the species growth elsewhere.
Answer:
it depends on changes in gene expression
Antagonists muscles (e.g. biceps and triceps brachii)