which one is not a biotic factor? *\ntrees\nrocks\nbacteria\nwolves

which one is not a biotic factor? *\ntrees\nrocks\nbacteria\nwolves
Answer
Brief Explanations:
Biotic factors are living components of an ecosystem. Trees, bacteria, and wolves are living organisms. Rocks are non - living and are abiotic factors.
Answer:
B. Rocks