Producers, which are the base of the food chain for ecosystems are essential and do not require oxygen to cycle energy and matter, as they create oxygen through photosynthesis. Plants are producers that use this process to capture light energy and use it to convert carbon dioxide and water into an organic substance known as glucose.
Self interest is the key principle that provides for the economic theory of supply and demand. Without self interest free market would struggle to regulate itself
The answer is vacuole. Cells remove wastes via vacuoles and lysosomes
Answer:
Sun --> carrot --> rabbit --> wolf --> earthworm