Fact 1: Earthworms are important deposit feeders that help form and enrich soil.

Fact 2: Earth stands for soil, dust or ground.

Given the two facts above, answer the question "An earthworm is an important" with the following options: 
- allow growth
 - cleaner for earth
 - Plant reproduction
 - more abundant
 - parasite
 - Something that makes plants green
 - predator
 - deposit feeder for earth


 

        deposit feeder for earth 