1. Molecules to Organisms: Structures and Processes

1.1 Biomolecules: What makes up living organisms

1.2. The Power of Enzymes

1.3. Organs for Breathing

1.4. Transport System in the Human Body 

1.5. Homeostasis: The Biological Ropewalk 

1.6. Chemical Coordination

1.7. Nervous Coordination 

1.8. Body’s Defence System 

1.9. Transport System in Plants 

2. Ecosystems: Interactions, Energy and Dynamics

2.1. Organism in their Environment 

2.2. Environmental Pollution 

2.3. Invasive Species: The Threat to Biodiversity

3. Heredity: Inheritance and Variation of Traits 

3.1. DNA Replication 

3.2. Growth, Development, and Reproduction 

3.3 Inheritance of Characters 

3.4. Gene Cloning and Genetic Engineering

3.5. Variation of Traits 

4. Biological Evolution: Unity and Diversity 

4.1. Origin of Life 

4.2. Diversity of Life