The processes in all organisms—from bacteria to humans—require energy. To get this energy, many organisms access stored energy by eating, that is, by ingesting other organisms. But where does the stored energy in food originate? All of this energy can be traced back to photosynthesis. In this tutorial, we explore photosynthesis.
You are not currently logged in and you are encouraged to login or register before you continue, so that you can track your progress.