Answer:
The answer is B. Bigger systems build on a smaller system.
Step-by-step explanation:
This image represents or wants to show how the biosphere is full of life, and how life is formed from the smallest particle. From the largest ecosystem to a small atom, all these are related and are equally important for all together to form the life of planet earth. In every living being there is a world of life that goes from a small atom forming a molecule, to creating a great living ecosystem.