Stomatas are pores on the plant leaf that control the flow of gases between the environment and the plant cells. this process the cells maintain a stable internal environment. which biology theme does this example represent?

The biology theme wherein the example given above represents the concept of homeostatic equilibrium. Homeostatic equilibrium or otherwise known as homeostasis is clearly depicted in the situation because it cites on how the stomatas regulate the gases on the plant leaf in order to maintain stability. 

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )