The consideration of threshold concepts is offered in the context of biological education as a theoretical framework that may have utility in the teaching and learning of biology at all levels. Threshold concepts may provide a mechanism to explain the observed punctuated nature of conceptual change. This perspective raises the profile of periods…

Considers effective dialogue between teacher and student essential for promoting meaningful learning in the classroom. Effective dialogue enables teachers and students to be active in the construction of shared understanding by making explicit the overlap between the perspectives held by students and teachers. Suggests that concept maps provide a…