I think your answer should be B. an organism. Hope this helps. =^-^=
The concept is gene enviornment correlation.
hope it helps u.............
The most common skin condition is acne! Almost all teens and adults get acne once or twice or maybe even their whole life. Acne is a disease that effects the skins oil glands and clog up your porreeeesss. :)
-Mabel <3
In the inner mitochondrial membrane
