| Topics | Subtopics | |
| 1 | Cells | 1.1 Plant cells |
| 1.2 Animal cells | ||
| 1.3 Specialised cells | ||
| 1.4 Cells, tissues and organs | ||
| 2 | Grouping and identifying organisms | 2.1 Characteristics of living organisms |
| 2.2 Viruses | ||
| 2.3 What is a species? | ||
| 2.4 Using keys | ||
| 2.5 Constructing keys | ||
| 3 | Changes to materials | 3.1 Microorganisms |
| 3.2 Food chains and webs | ||
| 3.3 Microorganisms and decay | ||
| 3.4 Microorganisms in food webs |