This lesson is only available to users who have subscribed to the IG Biology course. Please log in, or click here if you would like to gain access to the full course.
Biology IG
- Preliminaries
- Introductory lesson
- 1. Classification
- 2. Cells
- 3. Movement in and out of cells
- 4. The chemicals of life
- 5. Enzymes
- 6. Plant nutrition
- 7. Animal nutrition
- 8. Plant transport
- 9. Transport in animals
- 10. Pathogens and immunity
- 11. Respiration and gas exchange
- 12. Excretion
- 13. Coordination and response
