The only DP Biology resource developed with the IB to accurately match the new 2014 syllabus for both SL and HL, this revised edition gives you unparallelled support for the new concept-based approach to learning, the Nature of science. Understanding, applications and skills are integrated in every topic, alongside TOK links and real-world connections to drive inquiry and independent learning. Assessment support directly from the IB, includes practice questions and worked examples in each topic, along with focused support for both the Internal Assessment and Extended Essay. Truly aligned with the IB philosophy, this Course Book gives unrivalled insight and support at every stage.