The CTRI Biology textbook takes SS1–SS3 students through the living world — from cell biology through ecology — in clear, contextualised language written for Nigerian learners.
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Free to access, download, and print. Published chapter by chapter as writing and review are completed. Each published chapter is permanently archived on Zenodo with its own DOI.
| Ch. | Title | Status |
|---|---|---|
| 1.1 | The Cell | Not Started |
| 1.2 | Cell Division | Not Started |
| 1.3 | Cell Transport | Not Started |
| Ch. | Title | Status |
|---|---|---|
| 2.1 | Plant Nutrition | Not Started |
| 2.2 | Transport in Plants | Not Started |
| 2.3 | Plant Reproduction | Not Started |
| Ch. | Title | Status |
|---|---|---|
| 3.1 | Nutrition & Digestion | Not Started |
| 3.2 | Circulatory System | Not Started |
| 3.3 | Respiratory System | Not Started |
| 3.4 | Excretion | Not Started |
| 3.5 | Nervous & Endocrine Systems | Not Started |
| Ch. | Title | Status |
|---|---|---|
| 4.1 | Heredity & Genetics | Not Started |
| 4.2 | Evolution | Not Started |
| Ch. | Title | Status |
|---|---|---|
| 5.1 | Ecology | Not Started |
| 5.2 | Environmental Issues | Not Started |
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