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, invertebrates can be what?

OPT:
(i) people.
(ii) scarce resources.
(iii) vertebrates.
(iv) deposit feeders.
(v) Catch prey.
(vi) major threat to health.
(vii) more abundant.
(viii) planets.
The answer is:
(iv)