Fully revised and updated content matching the new Cambridge International Examinations Biology 9700 syllabus for first teaching in 2014 and first examination in 2016. The fourth edition of the AS and A Level Biology coursebook comprehensively covers all the knowledge and skills students need to acquire during this CIE course. Written by renowned and leading experts in Biology teaching, the book is easy to navigate with colour-coded sections and clear signposting throughout. Self assessment questions allow learners to track their progression through the course and exam-style questions at the end of every chapter provide opportunity for learners to prepare thoroughly for their examinations. Contemporary contexts and applications are discussed throughout enhancing the relevance and interest for learners.