11.7: Roundworms Difficulty Level: At Grade Created by: CK-12 % Progress MEMORY METER This indicates how strong in your memory this concept is Practice Progress % % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English Spanish TermDefinition Nematoda Phylum of invertebrates called roundworms, which have a pseudocoelom and complete digestive system. pseudocoelom Partial, fluid-filled cavity inside the body of some invertebrates. roundworms Nematodes (phylum Nematoda); the most diverse phylum of pseudocoelomates, and one of the most diverse of all animals. Image Attributions Show Hide Details Description Discusses characteristics of roundworms. Learning Objectives None Related Materials Roundworms - Advanced Roundworms Difficulty Level: At Grade Authors: Douglas Wilkin, Ph.D. Jean Brainard, Ph.D. Tags: invertebrates Nematoda pseudocoelom (2 more) roundworms SCI.BIO.822.2.L.1 Subjects: science Biology Concept Nodes: SCI.BIO.822.2 (Roundworms) Grades: 9 , 10 Date Created: Feb 24, 2012 Last Modified: Sep 04, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.