a hawk eating a mouse worms tunneling through soil bacteria feeding on dead plants a plant using nitrogen to make proteins
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Nutrients are recycled when materials decompose in an ecosystem. Which is the best example of the decomposition process where organic material is recycled in an ecosystem?
Possibilities:
- a hawk eating a mouse
- worms tunneling through soil
- bacteria feeding on dead plants
- a plant using nitrogen to make proteins

bacteria feeding on dead plants