Principles of Life (POL) is the first book published to address the College Board’s AP* Biology redesign. Principles of Life emphasizes AP* Biology's four big ideas, helping students build enduring understanding around the essential knowledge skills.nbsp; The Principles of Life program provides students with opportunities to apply concepts through data analysis and active learning, all in significantly fewer pages than other texts and at a much lower cost. With Principles of Life, you'll find: chapters organized around concepts, pedagogy to support these concepts, a focus on computational skills and data analysis, a textbook students will read, and invaluable supplements written by leaders in AP* Biology.nbsp; Principles of Life addresses the changes needed to meet the new course demands with an unsurpassed ancillary program.nbsp;