Evolution can be a difficult concept for students, even though it is an organizing principle in biology. It can also be a challenge for teachers to cover evolution properly (or at all) in the classroom, whether due to personal attitudes or lack of knowledge or confidence in the material (Rutledge and Mitchell 2002). Even in some states where…

Presents two studies done to identify problems students have in understanding the concepts of Darwinian evolution and adaptation. Results indicated poor understanding of the concept of time accounted for misconceptions in both studies (humans destroyed dinosaurs), and that only about 50 percent of students used logical reasoning. (JN)