access to Modified Mastering) Access card is 6/e and the book is 5/e. NOTE: Before purchasing, check with your instructor to ensure you select the correct ISBN. Several versions of Pearson's MyLab & Mastering products exist for each title, and registrations are not transferable. To register for and use Pearson's MyLab & Mastering products, you may also need a Course ID, which your instructor will provide. Personalize learning with MasteringBiology MasteringBiology is an online homework, tutorial, and assessment product that improves results by helping students quickly master concepts. Students benefit from self-paced tutorials that feature immediate wrong-answer feedback and hints that emulate the office-hour experience to help keep students on track. With a wide range of interactive, engaging, and assignable activities, many of them contributed by Essential Biology authors, students are encouraged to actively learn and retain tough course concepts. New MasteringBiology activities for this edition include "Essential Biology" videos that help students efficiently review key topics outside of class, "Evaluating Science in the Media" activities that help students to build science literacy skills, and "Scientific Thinking" coaching activities that guide students in understanding the scientific method.

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