Question

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.

Explanation:

According to the information given, a producer is at the base of a food chain. In the provided food - chain, diatom is identified as a producer. A primary consumer is the first organism that eats the producer. Here, midge larva is the one that eats the diatom.

Answer:

Matter begins to move through this food chain when the diatom, a producer, is eaten by the midge larva, a primary consumer.