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Cambridge IGCSE Biology (0610)

1. Characteristics and classification of living organisms

2. Organisation of the organism

3. Movement into and out of cells

4. Biological molecules

6. Plant nutrition

7. Human nutrition

8. Transport in plants

9. Transport in animals

10. Diseases and immunity

11. Gas exchange in humans

12. Respiration

13. Excretion in humans

14. Coordination and response

16. Reproduction

17. Inheritance

18. Variation and selection

19. Organisms and their environment

20. Human influences on ecosystems

21. Biotechnology and genetic modification

22. Assessed scientific skills

IGCSE/CAIE/Biology/Concept

20.3.1—Effects of untreated sewage and excess

Syllabus: 0610–2026–2027
Objective: 20.3.1
Level: —

20.3.1—Effects of untreated sewage and excess

Describe the effects of untreated sewage and excess fertiliser on aquatic ecosystems

ConceptIGCSE Biology