Campbell Essential Biology with Physiology with MasteringBiology(R), Fourth Edition, makes biology irresistibly interesting for non-majors biology students. This best-selling text, known for its scientific accuracy and currency, makes biology relevant and approachable with increased use of analogies, real world examples, more conversational language, and intriguing questions. Over 100 new MasteringBiology activities engage students outside of the classroom, plus new PowerPoint(R) presentations on issues like infectious disease and climate change offer a springboard for high-impact lectures. Campbell Essential Biology with Physiology...make biology irresistibly interesting.