Predator-Prey (IMAGE) Duke University Caption Using fluorescent microscopy, researchers document the predator-prey interaction. The predator cells, shown in green, have caused a prey cell, shown in red, to commit suicide. The elongation and separation of the prey cell is proof of its demise. Credit Hao Song, Duke 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.