Plants harness energy from sunlight and carbon dioxide through a process called photosynthesis which supports the generation of carbohydrates, proteins, and oils that are stored in seeds—like a kernel of corn, a soybean, or a grain of rice. Seeds are a critical resource for humans as food, fodder, and fuel.
Click here for original story, The underappreciated role of pods and siliques to developing seeds
Source: Phys.org