P → Q → R → S → T. The organism designated P in the food chain above is normally sustained by energy from? by Sunday | May 14 | Biology WAEC | 0 comments A. sunlight B. carbohydrates C. green plants D. mineral salts. Correct Answer: Option A A. sunlight Users Also Read These:In an ecosystem, the organism which changes light…The total amount of energy entering a food chain is…P → Q → R → S → T. Which of the following statements…The pest designated as a national pest by the…The progressive loss of energy at each level in a…