Photosynthesis is a process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy that can be later released to fuel. Why Is Photosynthesis Important to Humans?. Plants are all around us, benefiting us in many tangible and non-tangible ways. Photosynthesis occurs in any ecosystem. The evolution of photosynthesis refers to the origin and subsequent evolution of photosynthesis, the process by which light energy from the sun is used to synthesize. Role of Water in Photosynthesis. Photosynthesis is the series of reactions plants use to manufacture sugars from atmospheric carbon dioxide. There are two distinct. Photosynthesis is the conversion of the energy of sunlight into chemical energy by living organisms. In most cases, the raw materials are carbon dioxide and water. Find out about Photosynthesis on the Wikipedia for Schools from SOS Children photosynthesis: home biology geography history index music films the boat solar boats sponsors Brief Notes for IGCSE Biology with colorful images and pdf files to download THE PHOTOSYNTHETIC PROCESS In: Concepts in Photobiology: Photosynthesis and Photomorphogenesis , Edited by GS Singhal, G Renger, SK Sopory, K-D Irrgang and Govindjee. PHOTOSYNTHESIS Table of Contents What is Photosynthesis? | Leaves and Leaf Structure | The Nature of Light | Chlorophyll and Accessory Pigments.