1. Key Concepts in Biology

Cell Structure

Eukaryotic Organisms

Eukaryotic Organisms: Animals & Plants

Prokaryotic Organisms

Specialised Cells

Microscopy

Practical: Microscopy

Using Units

Enzymes

The Action of Enzymes

Factors Affecting Enzymes

Practical: Enzymes & pH

Rate Calculations for Enzyme Activity

Enzymes as Biological Catalysts

Practical: Food Tests

Practical: Energy Content in Food

Movement of Substances Into & Out of Cells

Diffusion

Osmosis

Active Transport

2. Cells & Control

Cell Division

Mitosis

Uncontrolled Cell Division

Growth in Organisms

Growth

The Importance of Cell Differentiation

Stem Cells

Animal Stem Cells

Plant Stem Cells

Stem Cells In Medicine

Co-ordination & Response

The Brain

Scanning The Brain

The Human Nervous System

Synapses

Simple Reflex Arc

The Human Eye

Defects of the Eye

3. Genetics

Reproduction

Types of Reproduction

The Role of Meiosis

DNA & the Genome

Protein Synthesis

Genetic Variants

Inheritance

Mendel's Work

Key Definitions

Predicting Genetic Inheritance

Inheritance of Sex

Codominance

Sex-linked Characteristics

Polygenic Inheritance

Variation

Mutations

4. Natural Selection & Genetic Modification

Natural Selection & Evolution

The Work of Darwin & Wallace

Evolution by Natural Selection

Evidence of Evolution

The Pentadactyl Limb

The Three Domains

Genetic Modification

Selective Breeding

Tissue Cultures

Genetic Engineering

The Process of Genetic Engineering

Meeting Global Food Demands

Evaluating the Use of Genetic Engineering

The Human Genome Project

5. Health, Disease & the Development of Medicines

Disease

Health & Disease

Pathogens

Common Infections

Defence Against Disease

Plant Defence Responses

Plant Diseases

Human Defence Responses

Immunity

Vaccination

Development of Medicines

Antibiotics

Investigating Microorganisms

Practical: Investigating the Effects of Antiseptics & Antibiotics

Discovery & Development of New Drugs

Monoclonal Antibodies

Lifestyle & Non-Communicable Disease

Cardiovascular Disease

6. Plant Structures & their Functions

Photosynthesis

Photosynthesis

Limiting Factors

Light & the Rate of Photosynthesis

Practical: Investigating Light & Photosynthesis

Plant Structure

Root Hair Cells

Xylem & Phloem

Structure of the Leaf

Living in Extreme Conditions

Transport in Plants

Transport of Water & Mineral Ions

Factors Affecting the Rate of Water Uptake

Translocation

Plant Hormones

Plant Hormones & Growth

Using Plant Hormones Commercially

7. Animal Coordination, Control & Homeostasis

Animal Hormones

The Endocrine System

Adrenaline

Thyroxine

Hormones & the Menstrual Cycle

Contraception

Hormones & Assisted Reproductive Technology

Homeostasis

Importance of Homeostasis

Thermoregulation

Vasoconstriction & Vasodilation

Osmoregulation

Forming Urine

ADH

Kidney Failure

Formation of Urea

Regulating Blood Glucose Concentration

Diabetes

8. Exchange & Transport in Animals

Transport in Animals

The Need for Transport

Factors Affecting the Rate of Diffusion

Respiration

Respiration

Practical: Investigating Respiration

Gas Exchange

Adaptations of the Alveoli

Circulatory System

The Blood & Blood Vessels

The Circulatory System

9. Ecosystems & Material Cycles

The Organism in the Environment

Key Terms in Ecology

Abiotic & Biotic Factors

Interdependence

Parasitism & Mutualism

Biodiversity

Sampling Organisms

Feeding Relationships

Trophic Levels & Food Chains

Food Webs

Food Pyramids

Transfer of Energy

Cycles within Ecosystems

The Water Cycle

The Carbon Cycle

The Nitrogen Cycle

Decomposition & Decay

Human Influences on the Environment

Human Impact on Biodiversity

Assessing Pollution

Benefits of Maintaining Biodiversity

Food Production

Food Security

Exam boards

• OCR GCSE Biology A (Gateway)
• WJEC GCSE Biology
• AQA GCSE Biology

Study tools

• Edexcel GCSE Biology · Exam Questions
• Edexcel GCSE Biology · Flashcards
• Edexcel GCSE Biology · Past Papers

Related links

• GCSE Biology · Revision Notes
• GCSE Biology · Exam Questions
• GCSE Biology · Flashcards
• GCSE Biology · Past Papers
• GCSE Biology · Glossary