<span>The eggs become the seed (first zygote), while the surrounding ovary becomes the fruit of the plant (first, the embryo). This process occurs during the fertilization of a plant and is complex in nature but happens all around us all of the time. The fruit that is developed contains one or more seeds at the end of the process.</span>
The answer is The Nervous System.
It interacts with all the other systems, it tells them what to do.
Hope it helps!
