An organism at the start of a food chain which provides the total input energy into an ecosystem is the? By: Sunday|Published on: Nov 18|Categories: Biology WAEC| 0 comments A. sun B. producer C. consumer D. decomposer Correct Answer: Option B B. producer Users Also Read These:In the pyramid of energy illustrated above; the…The total possible combinations of th input…Which of the following values showing the total…Ice of mass 50g at 0°C was completely melted by 70%…In a food chain, each stage in the chain is a?SEE ALSO A major difference between plants and animals is that?