What's the role of a primary consumer in the food web? a. to break down organic matter in the soil b. to eat producers and produce energy c. to eat secondary consumers and produce energy d. to combine parts of the ecosystem into one nutrient

Option B

Explanation:

The primary consumers are always herbivores, they feed on the plants for their energy requirement.

These animals or organisms feeds on the plants( producers) for the energy requirement. Once they have nutrients in their body it is used by the secondary consumers, as the primary consumers are food for secondary consumers.