AQA GCSE Combined Science: Trilogy Biology Topics

Biology Topics

B1 - Cell structure and transport B1.1 - The world of the microscope B1.2 - Animal and plant cells B1.3 - Eukaryotic and prokaryotic cells B1.4 - Specialisation in animal cells B1.5 - Specialisation in plant cells B1.6 - Diffusion B1.7 - Osmosis B1.8 - Osmosis in plants B1.9 - Active transport B1.10 - Exchanging materials B2 - Cell division B2.1 - Cell division B2.2 - Growth and differentiation  B2.3 - Stem cells B2.4 - Stem cell dilemmas B3 - Organisation and the digestive system  B3.1 - Tissues and organs B3.2 - The human digestive system B3.3 - The chemistry of food B3.4 - Catalysts and enzymes B3.5 - Factors affecting enzyme action B3.6 - How the digestive system works B3.7 - Making digestion efficient B4 - Organising animals and plants B4.1 - The blood B4.2 - The blood vessels B4.3 - The heart B4.4 - Helping the heart B4.5 - Breathing and gas exchange B4.6 - Tissues and organs in plants B4.7 - Transport systems in plants B4.8 - Evaporation and transpiration B4.9 - Factors affecting transpiration B5 - Disease and bioenergetics B5.1 - Health and disease B5.2 - Pathogens and disease B5.3 - Preventing infections B5.4 - Viral diseases  B5.5 - Bacterial diseases B5.6 - Diseases caused by fungi and protists B5.7 - Human defence responses B6 - Preventing and treating disease B6.1 - Vaccination B6.2 - Antibiotics and painkillers B6.3 - Discovering drugs B6.4 - Developing drugs B7 - Non-communicable diseases B7.1 - Non-communicable diseases B7.2 - Cancer B7.3 - Smoking and the risk of disease B7.4 - Diet, exercise and disease B7.5 - Alcohol and other carcinogens B8 - Photosynthesis B8.1 - Photosynthesis B8.2 - The rate of photosynthesis B8.3 - How plants use glucose B8.4 - Making the most of photosynthesis B9 - Respiration B9.1 - Aerobic respiration B9.2 - The response to exercise B9.3 - Anaerobic respiration B9.4 - Metabolism and the liver B10 - The human nervous system B10.1 - Principles of homeostasis B10.2 - The structure and function of the human nervous system  B10.3 - Reflex actions B11 - Hormonal coordination B11.1 - Principles of hormonal control B11.2 - The control of blood glucose levels B11.3 - Treating diabetes B11.4 - The role of negative feedback B11.5 - Human reproduction B11.6 - Hormones and the menstrual cycle B11.7 - The artificial control of fertility B11.8 - Infertility treatments B12 - Reproduction B12.1 - Types of reproduction B12.2 - Cell division in sexual reproduction B12.3 - DNA and the genome B12.4 - Inheritance in action B12.5 - More about genetics B12.6 - Inherited disorders B12.7 - Screening for genetic disorders B13 - Variation and evolution B13.1 - Variation B13.2 - Evolution by natural selection B13.3 - Selective breeding B13.4 - Genetic engineering B13.5 - Ethics of genetic technologies B14 - Genetics and evolution B14.1 - Evidence for evolution B14.2 - Fossils and extinction B14.3 - More about extinction B14.4 - Antibiotic-resistant bacteria B14.5 - Classification B14.6 - New systems of classification B15 - Adaptations, interdependence and competition B15.1 - The importance of communities B15.2 - Organisms in their environment B15.3 - Distribution and abundance B15.4 - Competition in animals B15.5 - Competition in plants B15.6 - Adapt and survive B15.7 - Adaptation in animals B15.8 - Adaptation in plants B16 - Organising an ecosystem B16.1 - Feeding relationships B16.2 - Materials cycling  B16.3 - The carbon cycle B17 - Biodiversity and ecosystems B17.1 The human population explosion B17.2 - Land and water pollution B17.3 - Air pollution B17.4 - Deforestation and peat destruction B17.5 - Global warming B17.6 - Maintaining biodiversity