UTM_Marc_Johnson (IMAGE) University of Toronto Caption University of Toronto Mississauga biology professor and Global Urban Evolution Project study co-lead Marc Johnson. Credit Photo by Nick Iwanyshyn Usage Restrictions No sales. No archives. For use only in coverage of this report. License Original 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.