Answer:
B. Oxidation of food through the process of cellular respiration
Explanation: During cellular respiration oxygen molecules combines with glucose and forms ATP or adenosine triphosphate an energy giving molecule to sustain cellular activities.
The cell takes in oxygen , and releases carbon dioxide
Reproduction is the challenge of life that the bees help the plant to meet. The correct option in regards to the given question is option "b". This process is also known as mutualism. In this case both the flowers and the bees are mutually helping each other. The bees get the food from the nectar produced by the flowers and in turn the bees help the species of plants to reproduce. This is a natural way of being beneficial to one another.