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Biology Edexcel IGCSE Triple Award Notes; Terminology of ecology, experiments with quadrats, biotic and abiotic factors, trophic levels, food pyramids, pyramids of biomass and numbers, food webs, the carbon cycle, the nitrogen cycle, air pollution, greenhouse gases, eutrophication, consequences of deforestation, pros and cons of pesticides and biological control.
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IGCSE Edexcel Biology
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- September 1, 2019
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- 2018/2019
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Biology International GCSE Edexcel Notes
