This book contains answers to all exercises featured in the accompanying textbook Science for Common Entrance: Biology, which covers every Level 1 and 2 topic in the ISEB 13+ Biology Common Entrance exam syllabus. - Clean, clear layout for easy marking - Includes examples of high-scoring answers with diagrams and workings - Suitable for all ISEB Biology 13+ Common Entrance exams taken from Autumn 2017 onwards. Also available to purchase: - Science for Common Entrance: Biology - Science for Common Entrance: Chemistry - Science for Common Entrance: Chemistry Answers - Science for Common Entrance: Physics - Science for Common Entrance: Physics Answers - Science for Common Entrance 13+ Exam Practice Answers - Science for Common Entrance 13+ Exam Practice Questions - Science for Common Entrance 13+ Revision Guide