Last updated Aug 15, 2025
Edexcel GCSE Biology Combined Science
Study Edexcel GCSE Biology Combined Science with expert-written notes, quizzes, past papers, and exam-style questions. Everything is aligned to the GCSE Biology Combined Science syllabus to help students understand key topics, stay on track with their study goals, and feel confident on exam day. Start studying smarter with SimpleStudy today.
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Explore Edexcel GCSE Biology Combined Science by Topics
Cell Biology and Key Concepts
Animal coordination, Control & Homeostasis
Prokaryotes and eukaryotes
Sub-cellular structures
Specialised cells
Microscopy
Core Practical: Drawing specimen from microscope
Magnification
Enzymes
Core Practical: Investigating rate of enzymes
Enzymes in breakdown & synthesis
Core Practical: Food Tests
Energy in food
Diffusion, Osmosis, and Active Transport
Core Practical: Investigating osmosis in potatoes
Sexual and asexual reproduction
Comparing Methods of Reproduction: Advantages & Disadvantages
Meiosis – sexual reproduction
Mitosis vs miosis
Alleles
DNA - Deoxyribose Nucleic Acid
Mutations
Protein synthesis
Genetic Diagrams
Variation
Inheritance of sex & sex linkage
Mendel
Evolution
Darwin and Wallace
Classification
Selective breeding
Health & disease
Viruses
STIs – Sexually Transmitted Diseases
Plant diseases defences
Plant diseases ongoing...
Fighting disease
Second line of defence
Memory lymphocytes
Immunisation
Antibiotics & other medicines
Core Practical: Investigating antibiotics & antiseptics
Investigating antibiotics & antiseptics
Non-communicable Diseases
Measures of obesity
Cardiovascular diseases
Photosynthesis
Investigating the effect of light intensity on photosynthesis rate
Limiting factors on photosynthesis
Transport in plants
Stomata
Transpiration
Adaptions of leaves & plants
Hormones
Adrenaline
Thyroxin (negative feedback)
Menstrual cycle
Controlling fertility
Homeostasis
Blood glucose concentration
Diabetes when homeostasis doesn’t work
Thermoregulation
The kidneys
Exchange of materials
Diffusion & the alveoli
Circulatory system- blood
Circulatory system - blood vessels
Circulatory system - heart
Respiration
Definitions
Ecosystems
Investigating ecosystems
Energy transfer
Pyramid of biomass
Human impacts on biodiversity
Conservation & biodiversity
Food security
Carbon cycle
Water cycle
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