Fact 1: Roundworms make up the phylum Nematoda.

Fact 2: Nematodes are microscopic roundworms.

Given the two facts above, answer the question "Nematodes make up a phylum which is what?" with the following options: 
- edible
 - delcious
 - fertile
 - more abundant
 - microbes
 - microscopic
 - insects
 - reproduce


 

      microscopic   