This 2nd edition of the best-selling Pearson Baccalaureate Higher Level Biology book has been completely revised to match the specifications of the new programme, for first assessment in 2016. Fully comprehensive, it covers the core material, the additional higher level material and all the options. Written by experienced IB teachers with intimate knowledge of IB assessment. With online eBook including animations, quizzes, labs support and full answers. Expertly written and highly illustrated text explains concepts clearly. Links to the Nature of Science in every sub-section help promote scientific literacy. Practice questions and answers taken from past IB examinations. ToK links challenge you to think critically. Real-life applications and international mindedness help you to give you a global perspective. Provides guidance on Internal Assessment and the Extended Essay.