Huge thanks to Carol Dieckmann, Telsa Mittelmeier, Ryan Gutenkunst, and Timothy Bolger for their invaluable help in developing AIM-Bio instructional units. We also acknowledge the following undergraduate researchers for their efforts in collecting and/or analyzing data: Vesna Pepic, Cheyne White, Siddarth Gunnala, and Abbey Rasmussen. This work was funded by a grant from the National Science Foundation–Improving Undergraduate Science Education (DUE 1625015).