With a proven and effective tradition of engaging readers with real-world applications, high-interest case studies, and inquiry-based pedagogy, Biology: Life on Earth fosters a lifetime of discovery and scientific understanding.  Maintaining the conversational, question-and-answer presentation style that has made the text a best-seller, the Eleventh Edition continues to incorporate true and relevant Case Studies throughout each chapter, along with new, more extensive guidance for developing critical thinking skills and scientific literacy.