Every ecosystem needs some organisms that return nutrients to the environment by breaking down the remains of other organisms. What is the name of this vital group of organisms?

A. consumers

B. decomposers

C. parasites

D. producers

Organic matter is recycled in an ecosystem by decomposers. Decomposers are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals. As the decomposers feed from the dead animals, they break down the organic compounds into simple nutrients