Question

1. what organisms are the final step in the energy and matter flow process in an ecosystem? a. decomposers b. heterotrophs c. consumers d. autotrophs

Explanation:

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem. They are the final step in energy and matter flow as they complete the cycle by returning nutrients to the soil or water for autotrophs to use again.

Answer:

A. decomposers