Answer:
D
Explanation:
Improve desirable traits and help determine the heritability of a trait.
During cellular respiration, OXYGEN serves as an electron acceptor and Adenosine triphosphate (ATP) is produced. during photosynthesis, WATER serves as an electron donor and oxygen molecules, hydrogen ions and electrons are produced.
It is chloroplast I guess because once i read that mitochondria has not much importance in being an autonomous organelle
