From the producer level to which level does energy flow directly?

A. decomposer

B. tertiary consumer

C. secondary consumer

D. primary consumer

D. primary consumer

Explanation:

These are your herbivores, or the animals that eat the herbivores. The primary consumers are eaten by your secondary consumers (omnivores or carnivores), and your secondary consumers are eaten by your tertiary consumers. Your decomposers recycle dead (nonliving) organic matter back into the soil.