Question

which trophic level would typically contain herbivores? a. secondary consumers b. tertiary consumers c. primary consumers d. producers what does the base of an ecological pyramid usually represent? a. highest energy amount b. lowest energy level c. highest trophic level d. smallest population size what organisms play a vital role in breaking down organic matter and returning nutrients to the soil? a. tertiary consumers b. secondary consumers c. primary producers d. decomposers

Explanation:

1. Herbivores eat plants (producers), so they are primary consumers.
2. The base of an ecological pyramid represents the producers which have the highest energy amount as they capture energy from the sun and start the energy - flow in the ecosystem.
3. Decomposers like bacteria and fungi break down dead organic matter and return nutrients to the soil.

Answer:

1. c. Primary consumers
2. a. Highest energy amount
3. d. Decomposers