This textbook has been written specifically to meet the needs of students following the AQA AS biology specification and provides thorough, carefully-structured coverage of the subject content. AQA AS Biology has the following special features: / Extension material / Examples of applications / Classic experiments in biological research / Examiner's tips / Chapter summaries / Multiple-choice and exam-style questions / Integrated material on 'how science works' The author, drawing on his extensive teaching and examining experience, has ensured that coverage is not only comprehensive but also easily accessible and exam-focused, making this text essential reading for all AQA AS biology students. A Teacher Guide containing detailed answers to all the questions in the book is available for separate purchase by teachers....