For one-semester courses in Introductory Biology for non-majors. Life on Earth, Fifth Edition, introduces students to biology through real-world applications and expanded human-interest case studies that run throughout each chapter. From the authors of the highly successful Biology: Life on Earth, Eighth Edition, Life on Earth, Fifth Edition, provides the most extensive environmental and ecology coverage of any text on the market, with an Earth Watch feature box that appears throughout the text, and, new to this edition, a chapter covering conservation biology--Chapter 31: Conserving Life on Earth. The Fifth Edition's supplements package has been expanded to include: *NEW! BioFlix animations that cover the most difficult biology topics with 3-D, movie-quality animations.*A dynamic companion website with greatly expanded quizzes with grade book functionality, an e-book, interactive tutorials and animations, flashcards, and more.*An Instructor Resource CD/DVD-ROM that provides everything an instructor needs for lecture presentations in one convenient location.

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