Final answer:
In the food pyramid, the organism considered a producer is grass. Producers are organisms that can make their own food using energy from the sun through a process called photosynthesis.
Step-by-step explanation:
In the food pyramid, the organism considered a producer is grass. Producers are organisms that can make their own food using energy from the sun through a process called photosynthesis. Grass is an example of a producer because it can convert sunlight, water, and carbon dioxide into glucose, which it uses as a source of energy.