B18- Biodiversity and ecosystems - All Chapters
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Section 1- Prepare Yourself - Read , Learn & Make Notes .
B18.1 The human population explosion
B18.4 Deforestation and peat destruction
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B18.6 The impact of change
Separate Science Only
B18.7 Maintaing biodiversity
Exam Questions & MS
B18.8 Trophic levels and biomass
Separate Science Only
B18.9 Biomass transfers
Separate Science Only
B18.10 Factors affecting food security
Separate Science Only
B18.11 Making food production efficient
Separate Science Only
B18.12 Sustainable food production
Separate Science Only
Section 2- Topic is Finished : Now test Your Knowledge
B18 Summary & Practice questions
Section 3 - go to GCSE Biology Past Papers & Revision Page .
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