GCSE Edexcel Biology
In short
GCSE Edexcel Biology has 9 topics: Key Concepts in Biology, Cells and Control, Genetics and 6 more. Each topic lists its topics in syllabus order. Start with Key Concepts in Biology or jump to the topic you are revising.
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What topics are in GCSE Edexcel Biology?
Cells and Microscopy
- Eukaryotic and prokaryotic cells
- Specialised cells
- Magnification calculations
Enzymes
- Enzyme action and specificity
- Factors affecting enzymes
- Required practical: enzyme activity
Transport in Cells
- Diffusion and osmosis
- Active transport
- Required practical: osmosis
Mitosis and Growth
- The cell cycle
- Cancer
- Growth in plants and animals
Stem Cells
- Embryonic and adult stem cells
- Meristems
- Uses and risks
The Nervous System
- Neurones
- Reflex arcs
- The brain and the eye
Reproduction and Meiosis
- Sexual and asexual reproduction
- Meiosis
- DNA structure
Inheritance
- Alleles and genetic crosses
- Sex determination
- Inherited disorders
Variation
- Genetic and environmental variation
- Mutation
- The Human Genome Project
Evolution
- Darwin's theory
- Evidence for human evolution
- Antibiotic resistance
Classification
- Kingdoms and domains
- Naming organisms
Selective Breeding and GM
- Selective breeding
- Genetic engineering
- Tissue culture
Communicable Disease
- Pathogens and transmission
- Viral and bacterial diseases
- STIs
Defence Against Disease
- Physical and chemical barriers
- The immune system
- Vaccination
Treating Disease
- Antibiotics
- Developing new medicines
- Lifestyle and non-communicable disease
Photosynthesis
- The reaction
- Limiting factors
- Required practical: rate of photosynthesis
Transport in Plants
- Xylem and phloem
- Transpiration
- Translocation
Plant Hormones
- Auxins and tropisms
- Commercial uses
Hormones
- The endocrine system
- Adrenaline and thyroxine
- The menstrual cycle
Homeostasis
- Blood glucose and diabetes
- Thermoregulation
- Osmoregulation
Exchange Surfaces
- Surface area to volume ratio
- Gas exchange in the alveoli
The Circulatory System
- The heart and blood vessels
- Blood
- Cardiac output
Respiration
- Aerobic and anaerobic respiration
- Required practical: respiration rate
Ecosystems
- Interdependence
- Abiotic and biotic factors
- Required practical: sampling
Human Impact
- Biodiversity and conservation
- Food security
- Pollution
Material Cycles
- The carbon cycle
- The water cycle
- The nitrogen cycle
How should you use these resources?
Revise
Work through your course topic by topic, in the order it is taught, so nothing gets missed.
Test yourself
Check each topic against what you should be able to do, and practise on exam-style questions as they are added.
Improve
Go back to what you could not do, or work with a tutor to close the gaps before your exams.
GCSE Edexcel Biology: common questions
What topics are in GCSE Edexcel Biology?
GCSE Edexcel Biology has 9 topics: Topic 1: Key Concepts in Biology; Topic 2: Cells and Control; Topic 3: Genetics; Topic 4: Natural Selection and Genetic Modification; Topic 5: Health, Disease and the Development of Medicines; Topic 6: Plant Structures and Their Functions; Topic 7: Animal Coordination, Control and Homeostasis; Topic 8: Exchange and Transport in Animals; Topic 9: Ecosystems and Material Cycles.
How should I revise GCSE Edexcel Biology?
Work through one topic at a time in order, since later topics build on earlier ones. For each topic, check you can do everything on its list before moving on, and go back to the ones you could not.
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