9.4: Flatworms Difficulty Level: At Grade Created by: CK-12 Estimated3 minsto complete % Progress Practice Flatworms MEMORY METER This indicates how strong in your memory this concept is Practice Progress Estimated3 minsto complete % Estimated3 minsto complete % 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 TermDefinition cephalization Concentration of the sense organs and nervous tissue in a head region. flatworm Invertebrate animals with bilateral symmetry and an elongated, flattened body. gastrovascular cavity Internal space that is the site of digestion and distribution of nutrients. scolex The front end of a tapeworm, bearing suckers and hooks for attachment. tapeworm Parasitic flatworm, which lives in the intestines of vertebrates. Image Attributions Show Hide Details Description Describes the main characteristics of flatworms. Learning Objectives None Related Materials Flatworms - Advanced Flatworms Difficulty Level: At Grade Authors: Jessica Harwood Douglas Wilkin, Ph.D. Contributors: Doris Kraus, Ph.D. Niamh Gray-Wilson Jean Brainard, Ph.D. Sarah Johnson Jane Willan Corliss Karasov Editors: Douglas Wilkin, Ph.D. Tags: cephalization flatworm SCI.BIO.822.1.L.2 (2 more) SCI.LSC.822.1.L.1 tapeworm Subjects: science Life Science Concept Nodes: SCI.LSC.822.1 (Flatworms) Grades: 7 , 8 Date Created: Nov 29, 2012 Last Modified: Aug 30, 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.