AUTHORS: Cummings, Michael - ©2011
Save time, learn more, and succeed in the course with CengageNOW, an online set of resources (including an integrated eBook and Personalized Study Plans) that give you the choices and tools you need to study smarter and get the grade. For instance, you’ll have access to hundreds of animations that clarify the illustrations in the text. You can also access live online tutoring from an experienced biology instructor. Get started today!