a producer is the organism at the base, or beginning, of a food chain. many producers use photosynthesis to…

a producer is the organism at the base, or beginning, of a food chain. many producers use photosynthesis to make their own food. this food becomes the matter that moves up the food chain. use the information in the food chain to fill in the blanks below. matter begins to move through this food chain when the , a producer, is eaten by the , a primary consumer.
Answer
Brief Explanations:
In the given food - chain, producers are at the base. Algae is the producer which makes its own food through photosynthesis. Zooplankton eats the algae, so zooplankton is the primary consumer.
Answer:
algae, zooplankton