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

Fact 2: Earthworms by Casey Earthworms are invertebrates.

Given the two facts above, answer the question "Invertebrates can be what?" with the following options: 
- people
 - scarce resources
 - vertebrates
 - deposit feeders
 - Catch prey
 - major threat to health
 - more abundant
 - planets


 

    deposit feeders     