PH Level, and food source such as sugar.
Answer: I would say A
Explanation: The daughter cell is part of a haploid cell, and for the fertilization process the daughter cell cannot productively function independently, It isn't connected to the parent cell, or at least not for long if i'm incorrect, and every cell contains DNA.
Thomas could maybe look back through his day and see where he put them
ATP can't store large amounts of energy for long periods of time.