CAPE Environmental Science Unit 1 · 2007 · Paper 2 · Question 2(a)(i)
What is meant by ecological succession?
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- 2(a)(ii)What is meant by a climax community?[2 marks]
- 2(b)Outline THREE differences between 'primary ecological succession' and 'secondary ecological succession'.[6 marks]
- 2(c)(i)Calculate the species diversity for Stream A using the formula D = N(N - 1) / Σ n(n - 1).[4 marks]
- 2(c)(ii)Rank the THREE streams in decreasing order of species diversity.[2 marks]
- 2(c)(iii)Which of the three streams, A, B or C, is the most stable?[1 mark]
- 2(c)(iv)Justify your answer to 2(c)(iii).[3 marks]
More practice: the rest of this paper · more Ecosystem Dynamics and Community Stability questions · all CAPE Environmental Science Unit 1 past papers