Paul Marek, University of Arizona (IMAGE) University of Arizona Caption At the field study site in Giant Sequoia National Monument in Calif., Paul Marek assesses predator bite marks on clay models of the millipede Motyxia. Credit Charity Hall Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included. 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.