of Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID, provided by your instructor, to register for and use Pearson's MyLab & Mastering products.   Packages Access codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase.   Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code.   Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase.   -- Helping Students Make Connections Across Biology   Campbell BIOLOGY is the unsurpassed leader in introductory biology. The text’s hallmark values–accuracy, currency, and passion for teaching and learning–have made it the most successful college introductory biology book for eight consecutive editions.   Building on the Key Concepts chapter framework of previous editions, Campbell BIOLOGY, Ninth Edition helps students keep sight of the “big picture” by encouraging them to: Make connections across chapters in the text, from molecules to ecosystems, with new Make Connections Questions Make connections between classroom learning, research breakthroughs, and the real world with new Impact Figures Make connections to the overarching theme of evolution in every chapter with new Evolution sections Make connections at a higher cognitive level through new Summary of Key Concepts Questions and Write About a Theme Questions ISBN: 0321558146 / 9780321558145 Campbell Biology with MasteringBiology Package consists of 0321558235 / 9780321558237 Campbell 0321686500 / 9780321686503 MasteringBiology with Pearson eText -- Access Card -- for Campbell Biology

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