Electronic reproduction. "In partnership with: Conservation Authorities of Ontario, Department of Fisheries and Oceans, Environment Canada, Ontario Ministry of Natural Resources, Ontario Streams, Rouge Park Alliance, Royal Ontario Museum"--Cover. Available online at: http://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=14&cad=rja&uact=8&ved=0CCwQFjADOAo&url=http%3A%2F%2Fnetedu.xauat.edu.cn%2Fsykc%2Fhjx%2Fcontent%2Fckzl%2F3%2F4.pdf&ei=YfFsVKqnNdKzyATSzIDoBQ&usg=AFQjCNHF61IVmrucMRlkkKYI90_7MPv0cQ. "Lessons for the Ministry of Education and Training The Ontario Curriculum, Science and Technology"--Cover.

Curriculum guide: interactions within ecosystems -- Teacher guide: lesson one: imagine a world without fish -- Teacher guide: lesson two: Redside Dace display -- Appendix I: Redside Dace fact sheet -- Appendix II: Glossary (of keywords, bold, and italic words) -- Appendix III: references.