GCSE AQA Biology Paper 2 Grade 9 Notes

From one full Grade 9 student to another.

These are the notes I made during my GCSE years, allowing me to be get a grade 9 in my Biology GCSE.

Please note that these notes are specific to the AQA Separate Science Trilogy course (8461 AQA course code). Using only these notes may not be suitable for other courses or exam boards - please check with your teacher if you are unsure.

SAMPLE: Click Here

MY RESULTS: Click Here

Paper 2 consists of the following:

B10 - The Human Nervous System

• B10.1 - Principles of homeostasis
• B10.2 - The structure and function of the nervous system
• B10.3 - Reflex actions
• B10.4 - The brain
• B10.5 - The eye
• B10.6 - Common problems of the eye

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
• B11.9 - Plant hormones and responses
• B11.10 - Using plant hormones

B12 - Homeostasis In Action

• B12.1 - Controlling body temperature
• B12.2 - Removing waste products
• B12.3 - The human kidney
• B12.4 - Dialysis : an artificial kidney
• B12.5 - Kidney transplants

B13 - Reproduction

• B13.1 - Types of reproduction
• B13.2 - Cell division and sexual reproduction
• B13.3 - The best of both worlds
• B13.4 - DNA and the genome
• B13.5 - DNA structure and protein synthesis
• B13.6 - Gene expression and mutation
• B13.7 - Inheritance in action
• B13.8 - More about genetics
• B13.9 - Inherited disorders
• B13.10 - Screening for genetic disorders

B14 - Variation & Evolution

• B14.1 - Variation
• B14.2 - Evolution by natural selection
• B14.3 - Selective breeding
• B14.4 - Genetic engineering
• B14.5 - Cloning
• B14.6 - Adult cell cloning
• B14.7 - Ethics of genetic technology

B15 - Genetics & Evolution

• B15.1 - The history of genetics
• B15.2 - Theories of evolution
• B15.3 - Accepting Darwin’s ideas
• B15.4 - Evolution and speciation
• B15.5 - Evidence for evolution
• B15.6 - Fossils and extinction
• B15.7 - More about extinction
• B15.8 - Antibiotic resistant bacteria
• B15.9 - Classification
• B15.10 - New systems of classification

B16 - Adaptations, Interdependence & Competition

• B16.1 - The importance of communities
• B16.2 - Organisms in their environment
• B16.3 - Distribution and abundance
• B16.4 - Competition in animals
• B16.5 - Competition in plants
• B16.6 - Adapt and survive

B17 - Organising An Ecosystem

• B17.1 - Feeding relationships
• B17.2 - Materials cycling
• B17.3 - The carbon cycle
• B17.4 - Rates of decomposition

B18 - Biodiversity & Ecosystems

• B18.1 - The human population explosion
• B18.2 - Land and water pollution
• B18.3 - Air pollution
• B18.4 - Deforestation and peat destruction
• B18.5 - Global warming
• B18.6 - The impact of change
• B18.7 - Maintaining biodiversity
• B18.8 - Trophic levels and biomass
• B18.9 - Biomass transfers
• B18.10 - Factors affecting food security