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3 marksNutrient Cycles and Energy Flow

CAPE Environmental Science Unit 1 · 2014 · Paper 2 · Question 6(c)(i)

Figure 5 shows the average net primary productivity (kJ/m²/yr) across various aquatic and terrestrial ecosystems.

Calculate the combined total net primary productivity achievable from tropical rainforest and savannah ecosystems.

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Other parts of this question

  1. 6(a)Explain why fertile soil can be classified as both a renewable and an exhaustible natural resource.[2 marks]
  2. 6(b)State ONE consumptive use and TWO non-consumptive uses of natural resources.[3 marks]
  3. 6(c)(ii)Identify which ecosystems possess the HIGHEST and LOWEST average net primary productivity.[2 marks]
  4. 6(d)(i)Identify THREE specific natural resources found in a named Caribbean country.[4 marks]
  5. 6(d)(ii)Discuss TWO distinct reasons for the importance of EACH of the three natural resources named in Part (d)(i).[6 marks]

More practice: the rest of this paper · more Nutrient Cycles and Energy Flow questions · all CAPE Environmental Science Unit 1 past papers