CAPE Environmental Science Unit 1 · 2011 · Paper 2 · Question 2(c)(ii)
Explain why an ecosystem with low species diversity may exhibit poor stability.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 2(a)Name and describe the method you would employ to collect sampling data to determine the species diversity of non-mobile organisms on a Caribbean coral reef.[5 marks]
- 2(b)(i)Using Figure 3, determine the number of individuals of each of the four species.[4 marks]
- 2(b)(ii)Calculate the percentage of the total individuals represented by Haliclona lehnerti.[1 mark]
- 2(b)(iii)Calculate the species diversity for the coral reef.[4 marks]
- 2(c)(i)Define what is meant by ecosystem stability.[2 marks]
More practice: the rest of this paper · more Ecosystem Dynamics and Community Stability questions · all CAPE Environmental Science Unit 1 past papers