GCSE Biology Syllabus (AQA 8461) – Topics and Lessons

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GCSE Biology Syllabus (AQA 8461) covers the main biological concepts, processes and practical skills that students must study for the AQA GCSE Biology examination. The syllabus is divided into eight main subject areas, including Cell Biology, Organisation, Infection and Response, Bioenergetics, Homeostasis and Response, Inheritance, Variation and Evolution, Ecology, and Key Ideas.

The syllabus includes topics related to cell structure, cell division, transport across cell membranes, human organ systems, infectious diseases, photosynthesis, respiration, hormonal coordination, genetics, evolution and ecological relationships. It also includes required practical activities, scientific investigations and mathematical skills used in Biology.

This page provides the AQA GCSE Biology (8461) subject content in a topic-wise and lesson-wise format. Each lesson includes a short description of the important concepts students need to study. Biology-only and Higher Tier topics are also identified where applicable. Relevant study notes from Biology Notes Online are linked with the lessons to help students access additional explanations and learning materials.

1. Cell Biology

1.1 Cell Structure

  • Eukaryotes and Prokaryotes – Study the differences between eukaryotic and prokaryotic cells. Learn about the nucleus, cytoplasm, cell membrane, bacterial DNA and plasmids. Understand cell sizes, orders of magnitude and standard form.
  • Animal and Plant Cells – Learn the structure and functions of the nucleus, cytoplasm, cell membrane, mitochondria, ribosomes, chloroplasts, cell wall and permanent vacuole. Understand the differences between animal, plant and algal cells.
  • Cell Specialisation – Study how specialised cells are adapted to carry out particular functions. Examples include sperm cells, nerve cells, muscle cells, root hair cells, xylem cells and phloem cells.
  • Cell Differentiation – Learn how cells develop into specialised cell types. Understand the differences between differentiation in plants and animals and its importance in growth, repair and replacement.
  • Microscopy – Study light microscopy and electron microscopy, including their differences in magnification and resolving power. Learn to calculate magnification, image size and actual size using appropriate units.
  • Culturing Microorganisms (Biology only) – Learn about bacterial reproduction by binary fission and the growth of microorganisms in nutrient broth and agar plates. Study aseptic techniques, sterilisation, incubation conditions, bacterial population calculations and zones of inhibition.
  • Required Practical 1: Microscopy – Use a light microscope to observe plant and animal cells. Prepare labelled biological drawings and include a magnification scale.
  • Required Practical 2: Microbial Cultures – Investigate the effects of antiseptics or antibiotics on bacterial growth using agar plates. Measure zones of inhibition.

1.2 Cell Division

  • Chromosomes – Study the structure of chromosomes and their relationship with DNA and genes. Learn how chromosomes are normally arranged in pairs in body cells.
  • Mitosis and the Cell Cycle – Learn the main stages of the cell cycle, including cell growth, DNA replication, mitosis and division of the cytoplasm. Understand how mitosis produces two genetically identical cells and its role in growth and development. Detailed phases of mitosis are not required.
  • Stem Cells – Study undifferentiated cells and their ability to produce specialised cells. Learn about embryonic stem cells, adult bone marrow stem cells and plant meristem cells. Understand therapeutic cloning, medical applications, plant cloning, potential risks and ethical issues.

1.3 Transport in Cells

  • Diffusion – Learn how particles move from a higher concentration to a lower concentration. Study the effects of concentration gradient, temperature and membrane surface area on diffusion. Understand surface area-to-volume ratios and adaptations of exchange surfaces in animals and plants.
  • Osmosis – Study the movement of water through a partially permeable membrane from a dilute solution to a more concentrated solution. Learn how to calculate percentage changes in plant tissue mass and interpret osmosis graphs.
  • Active Transport – Learn how substances move against a concentration gradient using energy from respiration. Study mineral ion absorption by root hair cells and sugar absorption in the small intestine. Compare active transport with diffusion and osmosis.
  • Required Practical 3: Osmosis – Investigate how different concentrations of salt or sugar solutions affect the mass of plant tissue. Calculate percentage changes in mass and present the results graphically.

2. Organisation

  • Principles of Organisation – Learn how cells form tissues, tissues form organs, and organs work together in organ systems. Understand the relationship between biological structure and function at different levels of organisation.

2.1 Animal Tissues, Organs and Organ Systems

  • The Human Digestive System – Study the organs involved in digestion and absorption. Learn about enzymes, their active sites, the lock-and-key model and the effects of temperature and pH on enzyme activity. Understand the functions of amylase, proteases, lipases and bile.
  • The Heart and Blood Vessels – Learn the structure of the heart and its role in double circulation. Study the major blood vessels, arteries, veins and capillaries. Understand gas exchange in the lungs, the role of pacemakers and calculations involving blood flow.
  • Blood – Study the composition and functions of blood. Learn about plasma, red blood cells, white blood cells and platelets. Understand how different blood cells are adapted to their functions.
  • Coronary Heart Disease: A Non-communicable Disease – Learn how fatty deposits narrow coronary arteries and reduce oxygen supply to the heart muscle. Study treatment using stents, statins, replacement heart valves, heart transplants and artificial hearts. Compare the benefits and risks of different treatments.
  • Health Issues – Study the relationship between health and disease. Understand how communicable diseases, non-communicable diseases, diet, stress and other factors affect physical and mental health. Learn how different diseases may interact.
  • The Effect of Lifestyle on Some Non-communicable Diseases – Learn how smoking, alcohol consumption, diet, physical activity and obesity influence disease risk. Study cardiovascular disease, Type 2 diabetes, liver disease, lung cancer and the effects of harmful substances on unborn babies. Understand risk factors, correlations and disease statistics.
  • Cancer – Study how changes in cells can cause uncontrolled growth and division. Learn the differences between benign and malignant tumours, including invasion and spread to other tissues. Understand genetic and lifestyle risk factors associated with cancer.
  • Required Practical 4: Food Tests – Use qualitative chemical tests to identify biological food molecules. Carry out Benedict’s test for sugars, the iodine test for starch and the Biuret test for proteins, alongside lipid testing.
  • Required Practical 5: Enzyme Activity – Investigate the effect of pH on the rate of starch digestion by amylase. Use iodine solution at regular intervals and maintain a controlled temperature. Study the factors affecting enzyme activity.

2.2 Plant Tissues, Organs and Systems

  • Plant Tissues – Study the structure and functions of epidermal tissue, palisade mesophyll, spongy mesophyll, xylem, phloem and meristem tissue. Learn the arrangement of tissues in a leaf and the functions of guard cells and stomata.
  • Plant Organ System – Learn how roots, stems and leaves transport substances through a plant. Study water and mineral ion absorption, transpiration through xylem and translocation through phloem. Understand how temperature, humidity, air movement and light intensity affect transpiration.

3. Infection and Response

3.1 Communicable Diseases

  • Communicable (Infectious) Diseases – Learn how pathogens cause infectious diseases in plants and animals. Study viruses, bacteria, fungi and protists, including how diseases spread through air, water and direct contact. Understand methods used to reduce transmission.
  • Viral Diseases – Study measles, HIV infection and tobacco mosaic virus (TMV). Learn their transmission, symptoms, effects on the host and methods of prevention or treatment.
  • Bacterial Diseases – Learn about Salmonella food poisoning and gonorrhoea. Study their transmission, symptoms, bacterial toxins and prevention. Understand antibiotic treatment and the development of resistant bacterial strains.
  • Fungal Diseases – Study rose black spot disease, including its symptoms, transmission and effects on photosynthesis. Learn how fungicides and removal of infected leaves can control the disease.
  • Protist Diseases – Study malaria as a disease caused by a protist. Learn about transmission by mosquitoes, recurrent fever and the use of mosquito nets and mosquito population control.
  • Human Defence Systems – Learn about the body’s non-specific defences, including the skin, nose, trachea, bronchi and stomach. Study how white blood cells protect the body through phagocytosis, antibody production and antitoxin production.
  • Vaccination – Study how vaccination stimulates an immune response and protects against future infection. Understand antibody production and how vaccination of a large proportion of a population can reduce disease transmission.
  • Antibiotics and Painkillers – Learn how antibiotics treat bacterial infections and why they do not kill viruses. Study antibiotic resistance and the differences between medicines that kill pathogens and medicines that relieve symptoms.
  • Discovery and Development of Drugs – Study the discovery of medicines from plants and microorganisms, including aspirin, digitalis and penicillin. Learn about preclinical testing, clinical trials, toxicity, efficacy, dosage, placebos and double-blind trials.

3.2 Monoclonal Antibodies (Biology only, Higher Tier only)

  • Producing Monoclonal Antibodies – Learn how mouse lymphocytes and tumour cells are combined to produce hybridoma cells. Study how hybridomas are cloned to produce large quantities of identical antibodies that bind to a particular antigen.
  • Uses of Monoclonal Antibodies – Study the use of monoclonal antibodies in pregnancy testing, laboratory diagnosis, scientific research and targeted cancer treatment. Understand their advantages, limitations and possible side effects.

3.3 Plant Disease (Biology only)

  • Detection and Identification of Plant Diseases – Study plant diseases caused by pathogens and pests, including TMV, rose black spot and aphids. Learn about nitrate deficiency causing stunted growth and magnesium deficiency causing chlorosis. Higher Tier: Study symptoms used to detect plant diseases and methods of identifying them, including laboratory tests and monoclonal antibody kits.
  • Plant Defence Responses – Learn how plants protect themselves against pathogens and herbivores. Study physical barriers such as cellulose cell walls, waxy cuticles and bark, chemical defences such as antibacterial substances and poisons, and mechanical adaptations such as thorns, hairs and leaf movements.

4. Bioenergetics

4.1 Photosynthesis

  • Photosynthetic Reaction – Learn how plants use light energy to convert carbon dioxide and water into glucose and oxygen. Study the word and chemical equations for photosynthesis and understand why it is an endothermic reaction.
  • Rate of Photosynthesis – Study how light intensity, temperature, carbon dioxide concentration and chlorophyll content affect photosynthesis. Learn to measure rates and interpret graphs. Higher Tier: Understand interacting limiting factors, the inverse square law for light intensity and the economic control of greenhouse conditions.
  • Uses of Glucose from Photosynthesis – Learn how plants use glucose for respiration, convert it to starch for storage, produce fats and oils, make cellulose for cell walls and synthesise amino acids and proteins using nitrate ions.
  • Required Practical 6: Photosynthesis – Investigate how light intensity affects the rate of photosynthesis using an aquatic plant such as pondweed. Measure and compare rates under different light conditions.

4.2 Respiration

  • Aerobic and Anaerobic Respiration – Study cellular respiration as an exothermic process that transfers energy for living activities. Learn the equations and products of aerobic and anaerobic respiration. Compare respiration in animal muscles with anaerobic respiration in plants and yeast, including fermentation.
  • Response to Exercise – Learn how heart rate, breathing rate and breathing volume increase during exercise. Study anaerobic respiration in muscles, lactic acid accumulation, muscle fatigue and oxygen debt. Higher Tier: Learn how lactic acid is transported to the liver and how oxygen debt is resolved.
  • Metabolism – Study metabolism as the sum of chemical reactions occurring in cells and organisms. Learn about the synthesis of carbohydrates, lipids and proteins, respiration, and the breakdown of excess amino acids to produce urea.

5. Homeostasis and Response

  • Homeostasis – Learn how organisms regulate their internal conditions to maintain suitable conditions for cellular activities. Study control of body temperature, blood glucose concentration and water levels. Understand the functions of receptors, coordination centres and effectors.

5.1 The Human Nervous System

  • Structure and Function – Study how the nervous system detects and responds to changes in the environment. Learn about sensory neurones, relay neurones, motor neurones, synapses, the brain and spinal cord. Understand reflex arcs, automatic responses and reaction times.
  • The Brain (Biology only) – Learn the functions of the cerebral cortex, cerebellum and medulla. Study how different brain regions control particular activities. Higher Tier: Understand methods used to investigate brain function, including MRI scanning, electrical stimulation and studies of brain damage.
  • The Eye (Biology only) – Study the structure and functions of the retina, optic nerve, sclera, cornea, iris, ciliary muscles and suspensory ligaments. Learn how the eye focuses on near and distant objects. Study myopia, hyperopia and methods of correcting vision defects.
  • Control of Body Temperature (Biology only) – Learn how the thermoregulatory centre in the brain monitors body temperature. Study vasodilation, vasoconstriction, sweating and shivering. Higher Tier: Explain how these responses alter heat transfer to maintain body temperature.
  • Required Practical 7: Reaction Time – Plan and carry out an investigation into how a selected factor affects human reaction time. Collect measurements and interpret the results.

5.2 Hormonal Coordination in Humans

  • Human Endocrine System – Study how hormones are secreted into the bloodstream and act on target organs. Learn the functions and locations of the pituitary gland, thyroid, pancreas, adrenal glands, ovaries and testes. Compare hormonal coordination with nervous coordination.
  • Control of Blood Glucose Concentration – Learn how insulin regulates blood glucose levels and promotes glycogen storage. Study Type 1 and Type 2 diabetes, their causes and treatment. Higher Tier: Learn the role of glucagon and its interaction with insulin through negative feedback.
  • Maintaining Water and Nitrogen Balance in the Body (Biology only) – Study how the kidneys regulate water, ions and urea in the blood. Learn about filtration, selective reabsorption, urine formation, dialysis and kidney transplants. Higher Tier: Study deamination in the liver, urea production and the role of ADH in water balance.
  • Hormones in Human Reproduction – Learn the roles of oestrogen, testosterone, FSH, LH and progesterone. Study puberty, sperm production, ovulation and the menstrual cycle. Higher Tier: Understand the interactions between reproductive hormones during the menstrual cycle.
  • Contraception – Study hormonal and non-hormonal methods used to prevent pregnancy. Learn about oral contraceptives, hormonal implants, injections, patches, condoms, diaphragms, intrauterine devices, spermicides, fertility awareness and sterilisation.
  • The Use of Hormones to Treat Infertility (Higher Tier only) – Learn how FSH and LH are used in fertility treatment. Study the main stages of in vitro fertilisation (IVF), including egg collection, laboratory fertilisation and embryo transfer. Understand the risks, limitations and ethical issues of fertility treatment.
  • Negative Feedback (Higher Tier only) – Study the functions of adrenaline and thyroxine. Learn how adrenaline prepares the body for a rapid response to stress and how thyroxine regulates basal metabolic rate. Understand negative feedback control of thyroxine levels.

5.3 Plant Hormones (Biology only)

  • Control and Coordination – Learn how plant hormones regulate growth and responses to light and gravity. Study auxin distribution, phototropism and gravitropism. Higher Tier: Learn about the roles of gibberellins in seed germination and ethene in fruit ripening.
  • Use of Plant Hormones (Higher Tier only) – Study the applications of auxins, gibberellins and ethene in agriculture and horticulture. Learn their uses in weed control, rooting powders, tissue culture, seed dormancy, flowering, fruit growth and fruit ripening.
  • Required Practical 8: Plant Responses – Investigate the effect of light or gravity on the growth of newly germinated seedlings. Record length measurements and prepare labelled biological drawings.

6. Inheritance, Variation and Evolution

6.1 Reproduction

  • Sexual and Asexual Reproduction – Study reproduction involving the fusion of male and female gametes and reproduction involving a single parent. Learn how sexual reproduction produces genetic variation and asexual reproduction produces genetically identical offspring.
  • Meiosis – Learn how meiosis produces gametes with half the normal number of chromosomes. Study DNA replication, two successive cell divisions and the formation of genetically different gametes. Understand how fertilisation restores the normal chromosome number. Detailed stages of meiosis are not required.
  • Advantages and Disadvantages of Sexual and Asexual Reproduction (Biology only) – Compare reproduction methods in terms of genetic variation, reproduction speed, energy requirements and environmental adaptation. Study examples involving malaria parasites, fungi and flowering plants.
  • DNA and the Genome – Study DNA as a double-helix polymer contained in chromosomes. Learn the relationship between genes, DNA, proteins and the genome. Understand the importance of human genome studies in medicine, inherited disorders and tracing human migration.
  • DNA Structure (Biology only) – Learn how DNA is formed from nucleotides containing a sugar, phosphate group and nitrogenous base. Study the four DNA bases and how their sequence determines the amino acid sequence of proteins. Higher Tier: Study complementary base pairing, basic protein synthesis, mutations and the effects of coding and non-coding DNA variants.
  • Genetic Inheritance – Learn the meanings of genes, alleles, dominant and recessive inheritance, homozygous and heterozygous genotypes, and phenotype. Study single-gene inheritance using Punnett squares, genetic crosses, family trees, probability and genetic ratios.
  • Inherited Disorders – Study how particular alleles cause inherited disorders. Learn about polydactyly as a dominant inherited disorder and cystic fibrosis as a recessive inherited disorder. Understand the ethical, social and economic issues associated with embryo screening.
  • Sex Determination – Learn how the human sex chromosomes determine biological sex. Study XX and XY chromosome combinations and use genetic crosses to predict the probability of sex inheritance.

6.2 Variation and Evolution

  • Variation – Study differences between individuals of the same species. Learn how inherited genes, environmental conditions and their interaction influence characteristics. Understand mutations as a source of genetic variation.
  • Evolution – Learn how inherited characteristics of populations change over generations through natural selection. Study how advantageous characteristics may become more common and how populations can develop into separate species.
  • Selective Breeding – Study how humans breed plants and animals to produce desired characteristics. Learn the steps of selective breeding and its applications in crop disease resistance, livestock production and ornamental plants. Understand the risk of inbreeding and inherited defects.
  • Genetic Engineering – Learn how genes from one organism are introduced into another organism to produce desired characteristics. Study genetically modified crops and microorganisms producing human insulin. Higher Tier: Learn the main steps of genetic engineering, including gene isolation, vectors and gene transfer.
  • Cloning (Biology only) – Study methods used to produce genetically identical plants and animals. Learn about plant tissue culture, cuttings, embryo transplantation and adult cell cloning. Understand agricultural and medical applications, benefits, risks and ethical concerns.

6.3 The Development of Understanding of Genetics and Evolution

  • Theory of Evolution (Biology only) – Study Charles Darwin’s theory of evolution by natural selection. Learn how variation, survival and inheritance contribute to evolutionary change. Understand the historical development of the theory and reasons for its initial rejection, including comparisons with Lamarck’s ideas.
  • Speciation (Biology only) – Learn about the contributions of Charles Darwin and Alfred Russel Wallace to evolutionary theory. Study the formation of new species and the importance of reproductive isolation in speciation.
  • The Understanding of Genetics (Biology only) – Study Gregor Mendel’s experiments and his contribution to inheritance theory. Learn how chromosome research, DNA discovery and later scientific developments established modern genetics.
  • Evidence for Evolution – Learn about scientific evidence supporting evolution by natural selection. Study inherited characteristics, fossil records and the development of antibiotic resistance in bacteria.
  • Fossils – Study the formation of fossils through preservation, mineral replacement and preserved traces of organisms. Learn how fossils provide evidence of evolutionary change and why the fossil record is incomplete. Interpret evolutionary trees and fossil information.
  • Extinction – Learn how extinction occurs when all individuals of a species have died. Study factors that can contribute to the extinction of organisms.
  • Resistant Bacteria – Study how mutations and natural selection produce antibiotic-resistant bacterial strains. Learn about MRSA, the spread of resistance and methods used to reduce unnecessary antibiotic use.

6.4 Classification of Living Organisms

  • Linnaean Classification System – Study the classification of organisms into kingdom, phylum, class, order, family, genus and species. Learn the binomial naming system developed by Carl Linnaeus.
  • Three-Domain Classification System – Learn how biochemical and genetic evidence led to Carl Woese’s three-domain system. Study the classification of organisms into Archaea, Bacteria and Eukaryota.
  • Evolutionary Trees – Study diagrams used to represent evolutionary relationships between organisms. Learn how classification data and fossil evidence are used to construct and interpret evolutionary trees.

7. Ecology

7.1 Adaptations, Interdependence and Competition

  • Communities – Study the relationships between organisms living in the same habitat. Learn about populations, communities, ecosystems, competition and interdependence. Understand how plants and animals compete for resources and how changes to one species can affect a community.
  • Abiotic Factors – Learn how non-living environmental factors influence organisms and communities. Study the effects of light intensity, temperature, moisture, soil pH, mineral availability, wind, carbon dioxide and oxygen.
  • Biotic Factors – Study how living components influence a community. Learn about food availability, predators, pathogens and competition between species.
  • Adaptations – Learn how organisms possess structural, behavioural and functional adaptations for survival. Study adaptations to different environmental conditions and organisms living in extreme environments, including extremophiles.

7.2 Organisation of an Ecosystem

  • Levels of Organisation – Study producers, consumers, food chains and feeding relationships. Learn about primary, secondary and tertiary consumers, predators and prey. Understand predator–prey population cycles and ecological sampling using quadrats and transects.
  • How Materials Are Cycled – Learn how carbon and water move between living organisms and the non-living environment. Study the carbon cycle, water cycle and the role of microorganisms in decomposition and nutrient recycling. The nitrogen cycle is not required.
  • Decomposition (Biology only) – Study how microorganisms break down dead organic material. Learn how temperature, moisture and oxygen availability affect decomposition rates. Understand compost production and methane generation through anaerobic decomposition.
  • Impact of Environmental Change (Biology only, Higher Tier only) – Study how temperature, water availability and atmospheric gas composition influence the distribution of species. Learn about seasonal, geographical and human-induced environmental changes.
  • Required Practical 9: Ecological Sampling – Measure the population size of a common species in a habitat. Use sampling methods to investigate how an environmental factor affects its distribution.
  • Required Practical 10: Decomposition – Investigate how temperature affects the rate of decay of fresh milk by measuring changes in pH.

7.3 Biodiversity and the Effect of Human Interaction on Ecosystems

  • Biodiversity – Study the variety of species present in an ecosystem. Learn about the importance of biodiversity for ecosystem stability and how human activities can reduce species diversity.
  • Waste Management – Learn how increasing resource consumption produces different forms of pollution. Study water pollution from sewage and chemicals, air pollution from smoke and gases, and land pollution from landfill and toxic substances.
  • Land Use – Study how construction, quarrying, agriculture and waste disposal reduce habitats available to organisms. Learn about peatland destruction, habitat loss and the release of carbon dioxide from peat.
  • Deforestation – Learn how tropical forests are cleared for cattle farming, rice cultivation and biofuel crops. Study the environmental effects of large-scale forest removal.
  • Global Warming – Study the increase of atmospheric carbon dioxide and methane and their contribution to global warming. Learn about biological consequences for organisms and ecosystems and the scientific evidence used to investigate climate change.
  • Maintaining Biodiversity – Learn about conservation programmes used to reduce human impacts on ecosystems. Study endangered-species breeding programmes, habitat protection, habitat restoration, hedgerows, reduced deforestation, lower carbon dioxide emissions and resource recycling.

7.4 Trophic Levels in an Ecosystem (Biology only)

  • Trophic Levels – Study feeding positions within food chains. Learn about producers, primary consumers, secondary consumers, tertiary consumers, apex predators and decomposers.
  • Pyramids of Biomass – Learn how pyramids of biomass represent the quantity of biological material at each trophic level. Study how to construct and interpret biomass pyramids from numerical data.
  • Transfer of Biomass – Study how biomass is transferred between trophic levels and why much of it is lost. Learn about losses through respiration, waste production and undigested material. Calculate the efficiency of biomass transfer using percentages or mass ratios.

7.5 Food Production (Biology only)

  • Factors Affecting Food Security – Learn about factors influencing the availability of sufficient food for growing populations. Study population growth, changing diets, pests, pathogens, environmental change, agricultural costs and conflict.
  • Farming Techniques – Study methods used to increase the efficiency of food production. Learn how controlling animal movement, temperature and diet affects growth and energy transfer. Understand the benefits and ethical concerns associated with intensive farming.
  • Sustainable Fisheries – Learn about declining fish stocks and the importance of maintaining breeding populations. Study conservation measures such as fishing quotas and regulation of fishing-net sizes.
  • Role of Biotechnology – Study the use of microorganisms and genetic modification in food production and medicine. Learn how Fusarium is cultured to produce mycoprotein, how genetically modified bacteria produce insulin and how GM crops may improve food supply and nutritional value.

8. Key Ideas

  • Molecular Structure and Function – Understand how biological processes depend on molecules whose structures are related to their functions.
  • Cells and Biological Organisation – Study cells as the fundamental units of life and how specialised cells form tissues, organs and organ systems.
  • Populations, Communities and Ecosystems – Understand how organisms are organised into populations, communities and ecosystems and how they interact with their environment.
  • Interdependence and Adaptation – Learn how organisms depend on other species and develop adaptations that allow them to survive in particular environments.
  • Photosynthesis and Life on Earth – Understand how green plants and algae capture light energy and produce organic compounds and oxygen through photosynthesis.
  • Cellular Respiration – Study how organic compounds are used in respiration to transfer energy for the chemical reactions and activities required for life.
  • Cycling of Materials – Learn how chemical materials are continually recycled between organisms and the environment.
  • Genetic and Environmental Influences – Understand how the characteristics of organisms are influenced by their genome and environmental conditions.
  • Evolution and Natural Selection – Study how natural selection produces evolutionary change, contributes to biodiversity and explains relationships between living organisms.

Disclaimer: The AQA GCSE Biology Syllabus (8461) information provided on this page is intended for educational and reference purposes only. Biology Notes Online is an independent educational website and is not affiliated with, endorsed by, sponsored by or officially associated with AQA (Assessment and Qualifications Alliance). The syllabus has been independently organised into topics, subtopics and lessons to help students and teachers locate and understand the GCSE Biology subject content. The lesson descriptions are summaries and should not be treated as a replacement for the complete official specification. Students and teachers should consult the official AQA GCSE Biology (8461) specification for the latest syllabus content, examination requirements, assessment arrangements, practical requirements and updates. AQA retains the copyright to its official syllabus and examination materials. For copyright concerns or content-related enquiries, contact biologynotesonlinecontact@gmail.com.

References

  1. AQA. (2016). GCSE Biology (8461): Specification (Version 1.0). https://cdn.sanity.io/files/p28bar15/green/510eb7c76df13be23292df4392de95eb32b0d30f.pdf
  2. AQA. (n.d.). GCSE Biology (8461): Subject content. https://www.aqa.org.uk/subjects/biology/gcse/biology-8461/specification/subject-content
  3. AQA. (n.d.). GCSE Biology (8461): Practical assessment. https://www.aqa.org.uk/subjects/biology/gcse/biology-8461/specification/practical-assessment
  4. AQA. (n.d.). GCSE Biology (8461): Specification at a glance. https://www.aqa.org.uk/subjects/biology/gcse/biology-8461/specification/specification-at-a-glance

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