Study Organism <i>C. elegans</i> (IMAGE) University of Maryland Caption The roundworm C. elegans, seen here, is commonly used in laboratory studies because it reproduces quickly and has a simple body. Credit Photo: Hai Le Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.