AS · UNIT 1
Biochemistry & cells
Biological molecules, cell structure, enzymes and cell division.
WJEC BIOLOGY · AS & A LEVELWJEC Biology revision.
WJEC Biology revision.
Organised by your course.
Revision notes, cram notes and topic questions.
For AS and A2 students studying WJEC in Wales.
Specification-linked topics Full revision notes Questions with explanations
AS, A2 & PRACTICAL SKILLS
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AS · UNIT 2
Biodiversity & body systems
Classification, gas exchange, transport and nutrition.
A2 · UNIT 3
Energy & the environment
Photosynthesis, respiration, ecosystems and regulation.
A2 · UNIT 4
Genetics & variation
Reproduction, inheritance, evolution and applied genetics.
A2 · UNIT 5
Practical skills
Experimental design, data analysis and evaluation.
Unit 4 includes three optional pathways. You study one.See the course outline