Fig. 6From: Using Avida-ED for Teaching and Learning About Evolution in Undergraduate Introductory Biology CoursesAnalysis of the Concept Frame. For each of the five key principles, the graph and table indicate what percentage of students (n = 124) provided correct explanations for both Avida-ED and tobacco (dark gray), for tobacco only (white), or for Avida-ED only (light gray)Back to article page