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3 marksEcology, Niches, and Interactions

CAPE Environmental Science Unit 1 · 2008 · Paper 2 · Question 2(a)(i)

A table presents stability indices for three ecosystems based on the species diversity of each ecosystem.

Define ecosystem.

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Other parts of this question

  1. 2(a)(ii)Define ecosystem stability.[3 marks]
  2. 2(a)(iii)Define species diversity.[3 marks]
  3. 2(b)(i)State which ecosystem in Table 1 has the GREATEST species diversity.[1 mark]
  4. 2(b)(ii)Give ONE reason to support your answer to (b)(i).[2 marks]
  5. 2(c)Explain how species diversity can influence ecosystem stability, including TWO ways in your response.[8 marks]

More practice: the rest of this paper · more Ecology, Niches, and Interactions questions · all CAPE Environmental Science Unit 1 past papers