You are presented with the question "Earthworms ingest sediment and extract what from soil?" and the following answer choices: 
- Organic compounds
 - harmful substances
 - Energy.
 - food ingredients
 - h2o
 - bioaerosols
 - food particles
 - carbon

Now knowing that earthworms are important deposit feeders that help form and enrich soil and deposit feeders ingest sediment and extract food particles, choose the best answer.


 

       food particles  