Answer: Matter and Energy
Explanation:
The producers make food by the help of the process known as photosynthesis.This is the way by which the energy from the sun is transferred from sun to the plants.
Matter is made and transferred from one tropic level to another tropic level. The organic matter is transferred from the producers to the consumers.
The primary consumer converts energy from them to the secondary consumers.
So, the conclusion is that matter and energy is transferred from one tropic level to another tropic level.
The answer that goes in the blank is Division.
<span>When a bone breaks your body immediately begins working to heal it. Within the first hours of a fracture a blood clot forms around the break and special cells call phagocytes begin cleaning germs from the bone fragments. Then, a soft callus composed of collagen is created around the break. Next, a hard callus forms as osteoblast cells work to create new bone to aid in the reconstruction process. After all is said and done the bone is remodeled by cells called osteoclasts. The bone will be completely rebuilt in 3-9 years.</span>