Based on our well-known Level 3 Biology Learning Workbook, this book covers all four Level 3 Biology internal Achievement Standards 3.1 (91601), 3.2 (91602), 3.4 (91604) and 3.7 (91607). Features brief, clearly explained theory, plenty of illustrations, examples and a full set of activities with answers in the back of the book. Use throughout the year to support classroom work, to help with internal assessments to revise for end-of-year exams.