Which term best describes organisms that can make their own food?

The term that best describes organisms that can create their own food is "producers." Producers are primarily plants and some microorganisms that utilize sunlight or chemical energy to convert inorganic substances into organic compounds through processes like photosynthesis or chemosynthesis. For instance, green plants absorb sunlight and use carbon dioxide and water to produce glucose and oxygen, thus serving as a foundational source of energy in ecosystems. This ability to manufacture their own food enables them to sustain themselves and provide energy to other organisms, such as consumers, that rely on them for nourishment. Understanding the role of producers is crucial in ecology, as they form the base of the food chain, supporting various life forms in their respective habitats.