18. Based on this image, what can be inferred about the organization of life?
A. There are only two organisms within one population. B. Bigger systems build on smaller systems. C. There are no connections among organisms. D. Smaller systems build on larger systems.
![18 Based on this image what can be inferred about the organization of life A There are only two organisms within one population B Bigger systems build on smalle class=](https://us-static.z-dn.net/files/d8c/7508f4347fde6ca61a7d9c39610f3ec8.jpg)