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3 marksEnergy Flow and Nutrient Cycling

CAPE Biology Unit 2 · 2016 · Paper 2 · Question 1(b)(ii)

Figure 2 displays a flowchart outlining nitrogen cycling within ecosystems.

With reference to Figure 2, comment on one major human activity that has impacted global nitrogen cycling.

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Other parts of this question

  1. 1(a)(i)Complete the drawing in Figure 1 to accurately show palisade cells and a vascular bundle.[4 marks]
  2. 1(a)(ii)Use annotated labels to identify and describe the cells labelled I and II in the spaces provided next to Figure 1.[4 marks]
  3. 1(b)(i)Name the processes labelled X and Y, and provide a brief description for each process.[4 marks]

More practice: the rest of this paper · more Energy Flow and Nutrient Cycling questions · all CAPE Biology Unit 2 past papers