FTP, identify this invertebrate phylum, which help to recycle organic matter and which include the roundworms.
The parasitic varieties are much larger and include Wuchereria (woo-cha- REY-ree-a), the filaria, and Dracunculus (drah-CUHN-cu-lus), the Guinea worm. Having smooth, cylindrical, and unsegmented bodies, they shed their outer cuticle four times over th  e course of their lives. FTP, identify this invertebrate phylum, which help to recycle organic matter and which include the roundworms.
The parasitic varieties are much larger and include Wuchereria (woo-cha- REY-ree-a), the filaria, and Dracunculus (drah-CUHN-cu-lus), the Guinea worm.
Nematoda