Question

Which is the source of carbon for producers in an ecosystem?
GPT 3.5
Carbon dioxide (CO2) is the source of carbon for producers in an ecosystem through the process of photosynthesis. During photosynthesis, plants and other producers take in carbon dioxide from the atmosphere and use it, along with sunlight and water, to produce glucose and oxygen. This glucose is used as a source of energy for the producers, as well as a building block for other organic compounds necessary for their growth and development.