पारिस्थितिकी तंत्र में ऊर्जा का स्रोत होता है क्या??
The correct answer is the sun. The sun is the primary source of energy for organisms and the ecosystems in which they belong. Sunlight enables plants, algae, and cyanobacteria to use photosynthesis to convert carbon dioxide and water into organic compounds such as carbohydrates.
