Cambridge AssessmentInternational EducationSyllabusCambridge InternationalAS &A LevelBiology 9700Use this syllabus for exams in 2025,2026 and 2027.Exams are available in the June and November series.Also available for examination in March 2025,2026 and 2027 for India.Version 1For the purposes of screen readers,any mention in this document of Cambridge IGCSECambridgerefers to Cambridge International General Certificate of Secondary Education.PathwayWhy choose Cambridge International?Cambridge Intemnational prepares school students for life,helping them develop an informed curiosity and alasting passion for learning.We are part of Cambridge University Press Assessment,which is a departmentOur Cambridge Pathway gives students a clear path for educational success from age 5 to 19.Schools canshape the curriculum around how they want students to learn-with a wide range of subjects and flexible waysto offer them.It helps students discover new abilities and a wider world,and gives them the skills they need forlife,so they can achieve at school,university and work.subject experts,rooted in academic rigour and reflect the latest educational research.They provide a strongplatform for students to progress from one stage to the next,and are well supported by teaching and leamingresources.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 learners.Consulting withleading universities has helped us make sure our syllabuses encourage students to master the key concepts inthe subject and develop the skills necessary for success in higher education.Our mission is to provide educational benefit through provision of international programmes and qualificationsfor school education and to be the world leader in this field.Together with schools,we develop Cambridgeleamners who are confident,responsible,reflective,innovative and engaged-equipped for success in theEvery year,nearly a million Cambridge students from 10000 schools in 160 countries prepare for their futurewith the Cambridge Pathway.School feedback:'We think the Cambridge curriculum is superb preparation for university.'Feedback from: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.Leam more at www.cambridgeinternational.org/ISO9001Cambridge Assessment Intemational Education is part of Cambridge University Press Assessment.Cambridge University PressAssessment is a department of the University of Cambridge.Cambridge University Press Assessment retains the copyright on all its publications.Registered centres are pemmitted to copymaterial from this booklet for their own internal use.However,we cannot give pemmission to centres to photocopy any material that isacknowledged to a third party even for internal use within a centre.ContentsWhy choose Cambridge International?.21 Why choose this syllabus?2 Syllabus overview8AimsContent overview9Assessment overview10Assessment objectives123 Subject content .......................14AS Level subject content15A Level subject content324 Details of the assessment.............49Paper 1 Multiple Choice49Paper 2 AS Level Structured Questions49Paper 3 Advanced Practical Skills49Paper 4 A Level Structured Questions49Paper 5 Planning,Analysis and Evaluation49Command words505 Practical assessment..............51Introduction51Paper 3 Advanced Practical Skills51Paper 55963Mathematical requirements63Mathematical formulae (A Level only)65Notes on the use of statistics in Biology (A Level only)677 What else you need to know68Before you start68Making entries69Accessibility and equality69After the exam70How students,teachers and higher education can use the grades71Grade descriptions7172Important:Changes to this syllabusFor information about changes to this syllabus for 2025,2026 and 2027,go to page 72.The latest syllabus is version 1,published September 2022.There are no significant changes which affectteaching.