BIO 140 KAREN KETTLER Watch Season All VideosOctober 2020September 2020 Keywords September 2020 Watch BIO 140 - September 21, 2020 Karen Kettler, Ed.D. October 2020 Watch BIO 140 - 01 - October 9, 2020 Karen Kettler, Ed.D. Watch Bio 140 - 01 - October 7, 2020 Karen Kettler, Ed.D. Watch BIO 140-01 October 12, 2020 Karen Kettler