This project was supported from funds from NSF grant IOS-0922742, The Amborella Genome: A Reference for Plant Biology grant awarded to Pamela Soltis (advisor for J.B.L.), and the FloridaLearns STEM Scholars Project, funded through the Florida Department of Education's Race to the Top Award #670-RA311-4C001; authority: 84.395A Race to the Top Fund. The authors thank Michael Chester and Margarita Hernandez for scoring student phylogenies and helping to implement the modules and for helpful comments on the manuscript. We also thank Sarah Allen, Andy Crowl, Blake Geraci, Grant Godden, Luis Mourino, Douglas Soltis, Pamela Soltis, and Milda Stanislauskas for volunteering to help with the modules.