4.5: Structural Evidence for Evolution Difficulty Level: At Grade Created by: CK-12 Estimated1 minsto complete % Progress Practice Structural Evidence for Evolution MEMORY METER This indicates how strong in your memory this concept is Practice Progress Estimated1 minsto complete % Estimated1 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 common ancestor Organism from which two or more different organisms evolved a long time ago. embryology Study of how organisms develop from a fertilized egg. vestigial structure Structure that has lost its use through evolution. Image Attributions Show Hide Details Description Covers use of vestigial structures and embryology in understanding evolution. Learning Objectives None Related Materials Structural Evidence for Evolution 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: embryos SCI.BIO.425.4.L.1 SCI.LSC.425.4.L.1 (1 more) vestigial structures Subjects: science Life Science Concept Nodes: SCI.LSC.425.4 (Structural Evidence for Evolution) 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.