Answer the following question given this paragraph: 

Most prokaryotes get both energy and carbon from other living things. Many of them are decomposers. They break down wastes and remains of dead organisms. In this way, they help to recycle carbon and nitrogen through ecosystems.


Q: By breaking down wastes and remains of dead organisms, decomposers perform what function in an ecosystem?

 Choices:

- reproduction

- symbiosis

- collecting

- recycling

A:
recycling
