What had been photosynthesis cycling interactions at the evolution and diversity of life​

Photosynthesis always involve with the sun

Explanation:

The sun is the food for the plants.  Without sun, plants can't live.  

A serving size is the amount of food that you should eat. It’s determined by how nutritional a food is. If it is healthy and has less calories, it’s serving size would be larger than if it was unhealthy will more calories. Serving sizes are not the same for every food because each food has its own nutritional values and calories.