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A Level Biology

Pearson Edexcel – Qualification Codes: WBI11/ WBI12/ WBI13 (IAS), WBI14/ WBI15/ WBI16 (IAL)

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Course duration

Approximately 360 guided learning hours, with up to 24 months to complete, plus an optional fast‑track route if you need to finish sooner.

Course outcome

Achieve a Pearson Edexcel International A Level Biology (IAS / IAL).

Entry requirements

GCSE Biology (or Combined Science) is recommended but not essential; confidence in basic maths is helpful for data work.

Assessment

Assessment is set by Pearson Edexcel and delivered through six externally assessed written units (including practical‑skills papers).

Biology builds understanding from molecules and cells through to whole‑organism systems and ecosystems, with an emphasis on scientific enquiry and data analysis.

  • Experimental techniques: microscopy, chromatography, enzyme assays; biochemical tests; PCR and electrophoresis
  • Critical thinking and problem‑solving: evaluating hypotheses, reliability and validity; applying concepts to real contexts
  • Mathematical and data analysis: statistics, rates, calculations and interpreting graphs
Six externally assessed written units split across IAS and IAL.

  • Unit 1 (IAS – 20%): Molecules, Diet, Transport and Health — 1h30 exam; biomolecules, enzymes, transport, health and disease.
  • Unit 2 (IAS – 20%): Cells, Development, Biodiversity and Conservation — 1h30 exam; cells, gene expression, biodiversity, conservation.
  • Unit 3 (IAS – 10%): Practical Skills in Biology I — 1h20 exam; core practicals, experimental design and error analysis.
  • Unit 4 (IA2 – 20%): Energy, Environment, Microbiology and Immunity — 1h45 exam; photosynthesis/respiration, microbiology, biotech, immunity.
  • Unit 5 (IA2 – 20%): Internal Environment, Coordination and Gene Technology — 1h45 exam; homeostasis, control, gene technology.
  • Unit 6 (IA2 – 10%): Practical Skills in Biology II — 1h20 exam; advanced investigations and statistical methods.
Assessment objectives listed: AO1 30%, AO2 40%, AO3 30%.

You have up to 24 months to complete the course and can plan your study around work, family and other commitments; a faster study pace is possible if you’re working to a deadline.

Study 100% online with structured materials you can access anytime. Your support option may include tutor guidance, feedback and exam preparation resources to help you stay on track.

International A Level Biology (Pearson Edexcel). Qualification Codes: WBI11/ WBI12/ WBI13 (IAS), WBI14/ WBI15/ WBI16 (IAL).

Supports progression to medicine and life sciences routes (e.g., biomedical science, genetics, pharmacy, ecology, biotechnology) and careers in healthcare, research and conservation.

This qualification can contribute UCAS points based on the grade achieved and may support university applications alongside course‑specific entry requirements.

FAQs

Is this course suitable for adults?

Yes, it’s designed to be studied flexibly and can suit adults returning to education or planning a new route to university or work.

Up to 24 months, with an optional fast‑track route if required.

Practical understanding is assessed through dedicated practical-skills written units and core practical investigation content.

Exams are taken in person at an approved exam centre; guidance can be provided on booking and next steps.

Support depends on your chosen package and may include tutor guidance, feedback and study resources.