EAS 509 Ecology: Concepts and Applications and EAS 510 The Science and Practice of Social Change or course(s) from the Social Systems Distribution list. Students without a background in the social science are asked to complete 510. Those with a strong understanding of the social sciences are instead asked to complete one 3 credit course -or- a combination of courses equaling a total of at least 3 credits (e.g. two 1.5 credit courses) from the Social Systems Distribution list (in place of 510)