1. a Institute of Evolutionary Biology and Environmental Studies , University of Zurich , Zurich, Switzerland
2. b Department of Educational Sciences , University of Cyprus , Nicosia, Cyprus
3. c Learning in Science Group , Nicosia, Cyprus
4. d Department of Biology , University of Education , Karlsruhe, Germany
5. e Department of Sciences and Social Sciences , Zurich University of Teacher Education , Zurich, Switzerland
6. f Institute of Education , University of Warwick , Warwick, UK
7. g Nature Conservation Unit , Frederick University , Nicosia, Cyprus