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5 marksNutrient Cycles and Energy Flow

CAPE Environmental Science Unit 1 · 2018 · Paper 2 · Question 1(a)(i)

Module 1. Ecology, cycles, succession, and population dynamics.

In the space provided, draw a fully labelled diagram to illustrate the carbon cycle.

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Other parts of this question

  1. 1(a)(ii)Outline THREE ways in which carbon and the carbon cycle are important to organisms.[3 marks]
  2. 1(b)(i)Distinguish between 'primary succession' and 'secondary succession'.[4 marks]
  3. 1(b)(ii)State TWO possible causes of secondary succession.[2 marks]
  4. 1(c)(i)Define the term 'biotic potential'.[2 marks]
  5. 1(c)(ii)Explain how environmental resistance affects population growth in natural ecosystems.[4 marks]

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