Biology Key Stage 4
Main Page - Science Subject - Science Key Stage 4 - Biology Key Stage 4
| GCSE Biology Exam Papers | GCSE Biology Required Practicals |
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Contents
Cell Biology
Prokaryotic and eukaryotic cells
Prokaryotic Cells
Organelles
Eukaryotic Cell
Organelles
Membrane Bound Organelles
Microscopes
GCSE Biology Required Practical: Using a Microscope
Culturing Micro-organisms
Growth and development of cells
Cell Cycle
Cell Differentiation
Meiosis
Cell Metabolism
Enzymes
GCSE Biology Required Practical: Enzyme Rates of Reaction
Respiration
Nutrients
Transport systems
Transport in cells
GCSE Biology Required Practical: Osmosis in Plant Tissue
Transport systems in multicellular organisms
Organisation
Digestive System
Digestion
GCSE Biology Required Practical: Food Tests
Human circulatory system
Breathing System
Transport systems in plants
Health, disease and the development of medicines
Health and Disease
Communicable diseases
Human Defences Against Micro-Organisms
Higher
Plant Diseases
Plant Defences Against Micro-Organisms
Treating, curing and preventing disease
Preventing Infection
Treating infection
GCSE Biology Required Practical: Effects of Disinfectants and Antibiotics
Medicine Development
Non-communicable diseases in humans
Risk Factors in Disease
Reducing Chances of Disease
Coordination and control
Nervous coordination and control in humans
Nervous System
GCSE Biology Required Practical: Factors affecting Human Reaction Time
Hormonal coordination and control in humans
Endocrine System
- Endocrine Gland
- Hormones
- Adrenaline - Higher
- Anti-diuretic Hormone - Higher
- Glucagon
- Insulin
- Human Growth Hormones
- Control Hormones
- Thyroxine - Higher
- Testosterone
- Oestrogen
- Progesterone - Higher
- Follicle Stimulating Hormone - Higher
- Luteinising Hormone - Higher
- Target Organ
- Negative Feedback - Higher
- Reproductive Hormones
- Testosterone
- Oestrogen
- Follicle Stimulating Hormone - Higher
- Luteinising Hormone - Higher
- Progesterone - Higher
- Menstrual Cycle
- Contraception
- Fertility Treatment
Plant Hormones
- Plant Hormones
- Auxin
- Gibberellin - Higher
- Ethene - Higher
- Tropic Responses
GCSE Biology Required Practical: Tropic Effects on Seedling Growth
Homeostasis in Humans
Negative Feedback
Homeostasis
Photosynthesis
Importance of photosynthesis
GCSE Biology Required Practical: Factors Affecting the Rate of Photosynthesis
Ecosystems
Levels of organisation within an ecosystem
- Organism
- Population
- Biological Community
- Habitat
- Ecosystem
- Environmental Factors
- Feeding Relationships
- Competition
- Interdependence
- Survival of the Fittest
The principle of material cycling
GCSE Biology Required Practical: Decay of Organic Material
Pyramids of biomass and transfer through trophic levels
Trophic Levels
Biodiversity
GCSE Biology Required Practical: Measuring Population in a Habitat
Human Effect on Ecosystems
Some of the biological challenges of increasing food yields using fewer resources
Inheritance, variation and evolution
Reproduction
The genome and gene expression
Genetics
Genotype
- DNA
- Nucleotide
- Nucleic Acid
- Gene
- Gene Expression - Higher
- Protein Synthesis - Higher
- Coding DNA - Higher
- Non-coding DNA - Higher
- Chromosome
Phenotype
Inheritance
- Inheritance
- Punnett Square
- Genetic Cross Diagram
- Pedigree Chart
- Inherited Disorder
- Sex Determination
- Mendel
Variation and evolution
- Variation
- Evolution by Natural Selection
- Development of the Theory of Evolution
- Speciation
- Charles Darwin
- Natural Selection
- Speciation
- Evidence for Evolution