AQA GCSE Combined Science: Trilogy Biology Topics

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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