Developed specifically for the IB Diploma to provide complete coverage of the latest syllabus requirements and all the Higher level options, this Biology Higher Level book is written by highly experienced IB teachers, examiners and workshop leaders. It will provide you with the knowledge and skills required to succeed in your IB examinations in Biology. * Provides comprehensive coverage of all the latest syllabus requirements and all the options for Biology HL. * Contains differentiated content that develops core topics separately. * Enables exam-style assessment opportunities using questions from past papers and sample answers. * Further examination focus is provided by 'Examiners Hints' throughout the book. * Provides guidance on the Internal Assessment and Extended Essay. * Gives clear links throughout to Theory of Knowledge, as well as a dedicated chapter, to develop further research.