Organisms within an ecosystem are organised into levels. Producer Producers are plants and algae, which photosynthesise. Primary consumer Primary consumers are herbivores, which eat producers.

Food chains and food webs interconnect organisms within an ecosystem. Producers, such as plants and algae, form the base of the food chain by using photosynthesis to convert sunlight into energy.

Lake Okeechobee, Florida's largest freshwater lake, plays a vital role in the state's ecosystem and water management. Spanning 730 square miles with an average depth of just 9 feet, it serves as a ...