GCSE Edexcel Combined Science: Biology

In short

GCSE Edexcel Combined Science: Biology has 31 topics: Biology: Cell Biology, Key Concepts in Biology, Biology: Organisation and 28 more. Each topic lists its topics in syllabus order. Start with Biology: Cell Biology or jump to the topic you are revising.

Last updated

What topics are in GCSE Edexcel Combined Science: Biology?

Cell Structure
  • Eukaryotes and prokaryotes
  • Animal and plant cells
  • Cell specialisation
  • Microscopy
Cell Division
  • Chromosomes
  • Mitosis and the cell cycle
  • Stem cells
Transport in Cells
  • Diffusion
  • Osmosis
  • Active transport
Principles of Organisation
  • Cells, tissues, organs and systems
Digestion
  • The digestive system
  • Enzymes
  • Required practical: food tests
The Cardiovascular and Respiratory System
  • The heart and blood vessels
  • Blood
  • The lungs
Health and Disease
  • Non-communicable disease
  • Risk factors
  • Cancer
Plant Tissues, Organs and Systems
  • Plant tissues
  • Transpiration
  • Translocation
Communicable Diseases
  • Pathogens
  • Viral, bacterial, fungal and protist diseases
  • Human defence systems
Vaccination and Medicines
  • Vaccination
  • Antibiotics and painkillers
  • Drug development
Plant Disease
  • Detecting plant disease
  • Plant defence responses
Photosynthesis
  • The photosynthesis reaction
  • Rate of photosynthesis
  • Uses of glucose
Respiration
  • Aerobic and anaerobic respiration
  • Response to exercise
  • Metabolism
The Nervous System
  • Structure and function
  • Reflex actions
  • The brain and the eye
Hormonal Coordination
  • The endocrine system
  • Control of blood glucose
  • Hormones in reproduction
Plant Hormones
  • Auxins and tropisms
  • Uses of plant hormones
Reproduction
  • Sexual and asexual reproduction
  • Meiosis
  • DNA and the genome
Genetic Inheritance
  • Genetic crosses
  • Inherited disorders
  • Sex determination
Variation and Evolution
  • Variation
  • Natural selection
  • Selective breeding and genetic engineering
Classification
  • Classification systems
  • Evolutionary trees
Adaptations and Interdependence
  • Communities
  • Abiotic and biotic factors
  • Adaptations
Organisation of an Ecosystem
  • Food chains
  • Material cycles
  • Decomposition
Biodiversity and Human Impact
  • Biodiversity
  • Land use and deforestation
  • Global warming
Atoms, Elements and Compounds
  • Elements and compounds
  • Mixtures and separation
  • The atomic model
Atomic Structure
  • Subatomic particles
  • Isotopes and relative atomic mass
  • Electronic structure
The Periodic Table
  • Groups and periods
  • Group 1, 7 and 0
  • Transition metals
Chemical Bonds
  • Ionic bonding
  • Covalent bonding
  • Metallic bonding
Structure and Properties
  • States of matter
  • Giant structures
  • Simple molecules
Carbon Structures
  • Diamond and graphite
  • Graphene and fullerenes
  • Nanoparticles
Conservation of Mass
  • Balanced equations
  • Relative formula mass
  • Mass changes
Moles
  • The mole
  • Reacting masses
  • Limiting reactants
Concentration and Yield
  • Concentration of solutions
  • Percentage yield
  • Atom economy
Exothermic and Endothermic Reactions
  • Energy transfer
  • Reaction profiles
  • Bond energies
Cells and Fuel Cells
  • Chemical cells and batteries
  • Fuel cells
Rate of Reaction
  • Measuring rate
  • Factors affecting rate
  • Collision theory and catalysts
Reversible Reactions
  • Reversible reactions
  • Dynamic equilibrium
  • Le Chatelier's principle
Hydrocarbons
  • Crude oil and alkanes
  • Fractional distillation
  • Cracking
Alkenes, Alcohols and Acids
  • Alkenes
  • Alcohols
  • Carboxylic acids
Polymers
  • Addition polymers
  • Condensation polymers
  • Natural polymers
Purity and Chromatography
  • Pure substances and formulations
  • Chromatography
Identifying Substances
  • Tests for gases
  • Flame tests
  • Tests for ions
The Earth's Atmosphere
  • Evolution of the atmosphere
  • Greenhouse gases
  • Climate change
Atmospheric Pollutants
  • Carbon monoxide and particulates
  • Sulfur dioxide and nitrogen oxides
Using the Earth's Resources
  • Sustainable development
  • Potable water
  • Waste water
Life Cycle Assessment
  • Life cycle assessment
  • Reduce, reuse and recycle
Energy Stores and Systems
  • Energy stores
  • Kinetic and potential energy
  • Specific heat capacity
Conservation and Dissipation
  • Conservation of energy
  • Power
  • Efficiency
National and Global Energy Resources
  • Renewable and non-renewable resources
Current, Potential Difference and Resistance
  • Circuit symbols
  • Charge and current
  • Resistors and I-V graphs
Series and Parallel Circuits
  • Series circuits
  • Parallel circuits
Domestic Uses and Safety
  • Mains electricity
  • Power and energy transfer
  • The National Grid
Static Electricity
  • Static charge
  • Electric fields
Changes of State and the Particle Model
  • Density
  • Changes of state
Internal Energy and Energy Transfers
  • Internal energy
  • Specific latent heat
Particle Model and Pressure
  • Gas pressure and temperature
Atoms and Isotopes
  • Structure of the atom
  • Development of the atomic model
Atoms and Nuclear Radiation
  • Radioactive decay
  • Nuclear equations
  • Half-life
Hazards and Uses of Radiation
  • Contamination and irradiation
  • Uses in medicine
Forces and Their Interactions
  • Scalars and vectors
  • Resultant forces
  • Work done
Forces and Elasticity
  • Hooke's law
  • Required practical: springs
Forces and Motion
  • Speed and velocity
  • Acceleration
  • Newton's laws
Momentum
  • Momentum
  • Conservation of momentum
Permanent and Induced Magnetism
  • Magnetic fields
  • Magnetic poles
The Motor Effect
  • Electromagnets
  • Fleming's left-hand rule
  • Electric motors

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 Combined Science: Biology: common questions

What topics are in GCSE Edexcel Combined Science: Biology?

GCSE Edexcel Combined Science: Biology has 31 topics: Topic 1: Biology: Cell Biology; Topic 1: Key Concepts in Biology; Topic 2: Biology: Organisation; Topic 2: Cells and Control; Topic 3: Biology: Infection and Response; Topic 3: Genetics; Topic 4: Biology: Bioenergetics; Topic 4: Natural Selection and Genetic Modification; Topic 5: Biology: Homeostasis and Response; Topic 5: Health, Disease and the Development of Medicines; Topic 6: Biology: Inheritance, Variation and Evolution; Topic 6: Plant Structures and their Functions; Topic 7: Animal Coordination, Control and Homeostasis; Topic 7: Biology: Ecology; Topic 8: Chemistry: Atomic Structure and the Periodic Table; Topic 8: Exchange and Transport in Animals; Topic 9: Chemistry: Bonding, Structure and Properties of Matter; Topic 9: Ecosystems and Material Cycles; Topic 10: Chemistry: Quantitative Chemistry; Topic 12: Chemistry: Energy Changes; Topic 13: Chemistry: The Rate and Extent of Chemical Change; Topic 14: Chemistry: Organic Chemistry; Topic 15: Chemistry: Chemical Analysis; Topic 16: Chemistry: Chemistry of the Atmosphere; Topic 17: Chemistry: Using Resources; Topic 18: Physics: Energy; Topic 19: Physics: Electricity; Topic 20: Physics: Particle Model of Matter; Topic 21: Physics: Atomic Structure; Topic 22: Physics: Forces; Topic 24: Physics: Magnetism and Electromagnetism.

How should I revise GCSE Edexcel Combined Science: 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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