Pacmen Forager Graphic (IMAGE) Santa Fe Institute Caption In classic extinction models, animals move over their surroundings like pacmen, chomping up resources to fuel their survival. Credit Laura Chambliss/Studio Yopp Usage Restrictions Credit the designer 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.