Biology essentials for dummies / by Rene Fester Kratz and Donna Rae Siegfried ; with Medhane Cumbay and Traci Cumbay. Kratz, René Fester. Siegfried, Donna Rae. Cumbay, Medhane. Cumbay, Traci. Biology. QH307.2 .K73 2011 570 22 KRB Includes index. Focuses on the core concepts you need to succeed in an introductory biology course. Hoboken, NJ : Wiley, c2011. c2011. 2011 Text xii, 176 p. : eng For dummies --For dummies.