GCSE Biology
Biology Categories
Browse GCSE Biology by larger revision areas. These categories will later lead to topic pages, worked examples, exam practice and interactive activities.
Cells and Transport
Cell structure, microscopy, specialised cells, mitosis, stem cells, diffusion, osmosis and active transport.
Human Biology
Digestion, enzymes, the heart, blood, breathing, disease, defence systems and medicines.
Plants and Bioenergetics
Plant tissues, photosynthesis, respiration, metabolism and the movement of substances in plants.
Control and Communication
The nervous system, hormones, blood glucose, temperature control, kidneys and plant hormones.
Genetics and Evolution
DNA, inheritance, variation, meiosis, genetic diagrams, natural selection and genetic engineering.
Ecology and Environment
Ecosystems, food chains, biodiversity, human impact, sampling methods and nutrient cycles.