Photosynthesis | Introduction
Introduction
To get our food, we go to the supermarket, pick vegetables or fruit from our gardens, or cast a rod in our favorite fishing hole. A plant, however, makes its own food using sunlight as its major energy source in a process called photosynthesisChemical process by which plants containing chlorophyll use sunlight to manufacture their own food by converting carbon dioxide and water to carbohydrates, releasing oxygen as a by-product.. In fact, the term photosynthesisChemical process by which plants containing chlorophyll use sunlight to manufacture their own food by converting carbon dioxide and water to carbohydrates, releasing oxygen as a by-product. means "putting together by light."