Cambridge AssessmentInternational EducationSyllabusCambridge International AS A LevelBiology 9700Use this syllabus for exams in 2022,2023 and 2024.Exams are available in the June and November series.Exams are also available in the March series in India only.Version 2CambridgePathwayWhy choose Cambridge International?Cambridge International prepares school students for life,helping them develop an informed curiosity and a lastingpassion for learning.We are part of the University of Cambridge.Our Cambridge Pathway gives students a clear path for educational success from age 5 to 19.Schools can shapethe curriculum around how they want students to learn-with a wide range of subjects and flexible ways to offerthem.It helps students discover new abilities and a wider world,and gives them the skills they need for life,so theycan achieve at school,university and work.Our programmes and qualifications set the global standard for international education.They are created by subjectexperts,rooted in academic rigour and reflect the latest educational research.They provide a strong platform forstudents to progress from one stage to the next,and are well supported by teaching and learning resources.We review all our syllabuses regularly,so they reflect the latest research evidence and professional teachingpractice-and take account of the different national contexts in which they are taught.We consult with teachers to help us design each syllabus around the needs of their leamners.Consulting withleading universities has helped us make sure our syllabuses encourage students to master the key concepts in thesubject and develop the skills necessary for success in higher education.Our mission is to provide educational benefit through provision of international programmes and qualifications forschool education and to be the world leader in this field.Together with schools,we develop Cambridge leamerswho are confident,responsible,reflective,innovative and engaged-equipped for success in the modern world.Every year,nearly a million Cambridge students from 10000 schools in 160 countries prepare for their future withthe Cambridge Pathway.'We think the Cambridge curriculum is superb preparation for university.'Christoph Guttentag.Dean of Undergraduate Admissions,Duke University,USAQuality managementCambridge International is committed to providing exceptional quality.In line with this commitment,ourquality management system for the provision of international qualifications and education programmes forISO 9001:2015.Learn more at www.cambridgeinternational.org/ISO9001Copyright UCLES September 2019Cambridge Assessment International Educat ion is part of the Cambridge Assessment Group.Cambridge Assessment is the brand name ofthe University of Cambridge Local Examinations Syndicate(UCLES),which itself is a department of the University of Cambridge.UCLES retains the copyright on all its publications.Registered centres are pemitted to copy material from this booklet for their owninternal use.However,we cannot give permission to centres to photocopy any material that is acknowledged to a third party even forinternal use within a centre.Contents1 Why choose this syllabus?2 Syllabus overview .........6Aims6Content overviewAssessment overviewAssessment objectives103 Subject content.…AS Level subject contentA Level subject content294 Details of the assessment44Paper 1 Multiple Choice44Paper 2 AS Level Structured Questions44Paper 3 Advanced Practical Skills44Paper 4 A Level Structured Questions44Paper 5 Planning,Analysis and Evaluation44Command words4546Introduction46Paper 3 Advanced Practical Skills46Paper 5546 Additional information........58Mathematical requirements58Mathematical formulae(A Level only)60Notes on the use of statistics in Biology (A Level only)627 What else you need to know ...........63Before you start63Making entries64After the exam65How students,teachers and higher education can use the grades66Grade descriptions66Changes to this syllabus for 2022,2023 and 202467Changes to this syllabusFor information about changes to this syllabus for 2022,2023 and 2024,go to page 67.