Answer: The large-mouth bass and the wood duck
A food chain is a sequence of organisms which feed upon the other in the course of obtaining food and deriving energy. Algae belongs to primary producer level in the food chain. They prepare their own food by photosynthesis. The algae is being consumed by primary consumers in a food chain. In this picture the organism represented by the blue arrow is algae, which is consumed by large-mouth bass and the wood duck.