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Full Analysis Topic Biology Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle

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	Answer	Performance	Topics
。2020 Paper 1 Section A Q32 >>	B	92	。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2019 Paper 1 Section A Q29 >>	A	68	。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2019 Paper 1 Section A Q33 >>	B	70	。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2019 Paper 1 Section A Q34 >>	C	81	。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2020 Paper 1 Section B Q2 >>		-	。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2020 Paper 1 Section B Q6 >>		-	。Gas exchange in human 。Gas exchange in plant 。Plant: Reproduction, growth and development 。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2019 Paper 1 Section B Q7 >>		-	。Sucession, Biodiversity and evolution 。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2019 Paper 1 Section B Q9 >>		-	。Sucession, Biodiversity and evolution 。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle
。2018 Paper 1 Section B Q11 >>		-	。Cellular energetics: Photosynthesis 。Cellular energetics: Respiration 。Gas exchange in human 。Nutrition in human 。Ecosystems: Energy flow, Carbon cycle, Nitrogen cycle

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