Oxygen, nourishment (vitamins, lipids, fats, etc.)
I believe it would be (B) but i’m sorry if i am wrong.
If i remember correctly asexual reproduction came first because without asexual reproduction the cells would not have been able to produce other cells so what few cells there were reproduced asexually and then it evolved onto sexual reproduction later in development
Photosynthesis. These are the reactants for photosynthesis and the products of cellular respiration.