The science of life — from your DNA to entire ecosystems.
Biology is the study of living things, and that includes you. Understanding how your body works, why diseases spread, and how ecosystems stay balanced isn't just exam stuff — it's stuff that actually matters. Plus, biology is behind some of the biggest breakthroughs happening right now.
Your body has about 37.2 trillion cells. Each one knows exactly what to do.
You share 60% of your DNA with a banana. Yes, really.
Your stomach gets a brand new lining every 3-4 days. Otherwise it would digest itself.
Octopuses have three hearts and blue blood. Nature is wild.
62 topics across 7 units — all mapped to the AQA GCSE specification.
Cell structure, microscopy, mitosis, meiosis, stem cells, diffusion, osmosis and active transport.
Digestive system, heart, blood vessels, blood, plant organs, transpiration and translocation.
Pathogens, viral/bacterial/fungal diseases, immune system, vaccination, antibiotics and drug development.
Photosynthesis, respiration (aerobic and anaerobic), response to exercise and metabolism.
Nervous system, reflexes, the eye, hormones, blood glucose control, reproduction and plant hormones.
DNA, genetic inheritance, Punnett squares, variation, natural selection, genetic engineering and classification.
Ecosystems, food chains, sampling, carbon/water cycles, biodiversity, global warming and deforestation.
Doesn't just give you the answer — walks you through it step by step so you can do it yourself in the exam.
Stuck on a homework problem? Confused by a concept? Ask in your own words — no such thing as a stupid question.
See exactly which topics you've nailed and which need more work. XP, streaks and mastery scores for every topic.
Practice with questions modelled on real GCSE papers. Marks, hints and model answers included.
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