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3 marksEcology, Niches, and Interactions

CAPE Environmental Science Unit 1 · 2010 · Paper 2 · Question 3(b)(i)

Figure 2 illustrates a predator-prey relationship in a research plot in a savannah.

Describe the trend shown in Figure 2. Include specific values in your answer.

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Other parts of this question

  1. 3(a)Define the term 'ecological niche'.[3 marks]
  2. 3(b)(ii)In which month was size of the predator population equal to 200?[1 mark]
  3. 3(b)(iii)What was the size of the prey population in Month 11?[1 mark]
  4. 3(b)(iv)Suggest TWO reasons why the predator population is successfully regulating the population of the prey.[6 marks]
  5. 3(c)Provide THREE reasons to support the statement above.[6 marks]

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