Development and pilot testing of a three-dimensional, phenomenon-based unit that integrates evolution and heredity oleh Sheila A. Homburger, Dina Drits-Esser, Molly Malone, Kevin Pompei, Kagan Breitenbach, Ryan D. Perkins, Pete C. Anderson, Nicola C. Barber, Amy J. Hawkins, Sam Katz, Max Kelly, Harmony Starr, Kristin M. Bass, Jo Ellen Roseman, Joseph Hardcastle, George DeBoer, Louisa A. Stark