The molecular basis of evolution is an important and challenging concept for students to understand. In a previous article, we provided some of the scientific background necessary to teach this topic. This article features a series of laboratory activities demonstrating that molecular events can alter the genomes of organisms. These activities are…

Using conceptual change as theoretical lens, describes the structure of (n=4) learners' conceptual ecology within biological evolution and illustrates how this ecology influences the process of conceptual change. Prior conceptions relate to evolutionary theory, scientific and religious orientations, view of biological world, and acceptance of…