Edexcel IGCSE Biology (Combined Science) Notes
The biology pathway within Pearson Edexcel International GCSE Science (Double Award) covers living organisms, cells, nutrition, transport, reproduction, inheritance, ecology and biological resources. Practical investigation, evidence and data interpretation support the subject knowledge.
Choose your Edexcel International GCSE Double Award Biology curriculum
Select Linear or Modular to match the qualification entered by your school. Linear papers are taken at the end of the course; modular assessments are taken in units. The modular route is available only to schools outside the UK.
Linear
Pearson Edexcel International GCSE Science (Double Award) — Biology (Linear) — 4SD0
4SD0
The biology strand of Pearson Edexcel International GCSE Science (Double Award), 4SD0, following the linear assessment route. This is part of one Double Award qualification, not a separate Biology qualification. Written papers are taken together at the end of the course.
Modular
Pearson Edexcel International GCSE Science (Double Award) — Biology (Modular) — 4XSD1
4XSD1
The biology strand of Pearson Edexcel International GCSE Science (Double Award), 4XSD1, following the modular assessment route. This is part of one Double Award qualification, not a separate Biology qualification. Assessment is divided into units that can be taken and resat separately. This route is available only to schools outside the UK.
Science (Double Award) combines biology, chemistry and physics into a qualification worth two International GCSEs. This page presents its biology strand.
Linear and modular are different assessment routes, not ability tiers. These qualifications are untiered; there is no Core/Extended or Foundation/Higher selection.
Official course information
Consult Pearson’s linear specification page or modular specification page for the detailed content, assessments and current updates.
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