Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by. Photosynthesis and chemosynthesis are both processes by which organisms produce food; photosynthesis is powered by sunlight while chemosynthesis runs on chemical energy. PHOTOSYNTHESIS Table of Contents What is Photosynthesis? | Leaves and Leaf Structure | The Nature of Light | Chlorophyll and Accessory Pigments Gases fact file. Gases can be compressed (this means they are squashy) Gases flow easily. Gases always completely fill any container they are placed in Citation: Pidwirny, M. (2006). Glossary of Terms: G. Fundamentals of Physical Geography, 2nd Edition. Date Viewed. . Chemical formula for photosynthesis - The overall process is best shown by the net equation. 6CO2 + 6H2O == C6H12O6 + 6O2 Reluctantly she pulled away, her pulse and respiration in a race. Terrestrial plants have a gaseous interchange of oxygen and carbon dioxide which is necessary for. It is important to get the process of photosynthesis into perspective, especially in relation to the processes covered in previous topics: respiration, and digestion. Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves. Look at plants & what is needed for photosynthesis. What is the chemical reaction & what does it look like? Where does it all occur within the leaf?.