CAPE Environmental Science Unit 1 · 2008 · Paper 2

40 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. 1(a)1 markName ONE non-native species that was introduced in the Caribbean.
2. 1(b)6 marksExplain why non-native species may be successful in new environments, including TWO reasons in your response.
3. 1(c)9 marksOutline THREE impacts on the ecosystem that may result from the introduction of a non-native species.
4. 1(d)4 marksExplain the role of natural selection in the adaptation of species to their natural environment, including TWO points in your response.
5. 2(a)(i)3 marksDefine ecosystem.
6. 2(a)(ii)3 marksDefine ecosystem stability.
7. 2(a)(iii)3 marksDefine species diversity.
8. 2(b)(i)1 markState which ecosystem in Table 1 has the GREATEST species diversity.
9. 2(b)(ii)2 marksGive ONE reason to support your answer to (b)(i).
10. 2(c)8 marksExplain how species diversity can influence ecosystem stability, including TWO ways in your response.
11. 3(a)(i)4 marksName TWO decomposers and state ONE source of energy for EACH.
12. 3(a)(ii)4 marksExplain the importance of the decomposer food chain in the cycling of matter illustrated in Figure 1.
13. 3(b)(i)4 marksState TWO benefits of natural ecosystems to humans, giving an example of EACH.
14. 3(b)(ii)8 marksDescribe TWO ways in which human activities can disrupt the integrity of natural ecosystems.
15. 4(a)3 marksExplain what is meant by 'sustainable development'.
16. 4(b)6 marksExplain how high fertility rates impact on a country's ability to achieve sustainable development, including an appropriate example in your response.
17. 4(c)(i)1 markBased on your response to 4(b), suggest an appropriate fertility rate that Caribbean countries should aim at achieving.
18. 4(c)(ii)4 marksJustify your choice of fertility rate.
19. 4(d)(i)4 marksDescribe ONE method or measure of population control that will be effective in assisting your country to achieve the target fertility rate you suggested.
20. 4(d)(ii)2 marksOutline the reason why the method described in 4(d)(i) will be effective.
21. 5(a)5 marksCalculate the estimated percentage growth in world population attributable to Less Developed Countries between 1990 and 2020.
22. 5(b)5 marksExplain why this estimated growth in the population of Less Developed Countries should be a cause for concern.
23. 5(c)4 marksDescribe ONE environmental impact associated with the trend in world population growth calculated in 5(a).
24. 5(d)6 marksSuggest an approach to mitigate the environmental impact described in 5(c).
25. 6(a)(i)4 marksExplain how Culture impacts on the rate of growth of a population.
26. 6(a)(ii)4 marksExplain how Religion impacts on the rate of growth of a population.
27. 6(b)6 marksState THREE deductions that can be made regarding the relative achievement of BOTH countries based on their HDI presented in Table 3.
28. 6(c)6 marksEvaluate the statement: 'The education of women is critical to lowering the population growth rate of Less Developed Countries.' (Include at least SIX points in your response.)
29. 7(a)6 marksDescribe TWO functions of coral reef ecosystems in the Caribbean.
30. 7(b)8 marksExplain how ANY TWO human activities impact on coral reef ecosystems in the Caribbean.
31. 7(c)6 marksDescribe TWO methods for conserving coral reef ecosystems in the Caribbean.
32. 8(a)(i)1 markFrom the data illustrated in Figure 2, identify the resource which is non-renewable.
33. 8(a)(ii)7 marksJustify your response to 8(a)(i).
34. 8(b)6 marksUsing suitable examples, distinguish between 'consumptive' and 'non-consumptive' use of natural resources.
35. 8(c)6 marksExplain why bioprospecting is considered a non-consumptive use of natural resources, including THREE reasons in your response.
36. 9(a)2 marksIdentify TWO categories of protected areas as classified by the International Union for the Conservation of Nature (IUCN).
37. 9(b)(i)2 marksFor EACH category of protected area identified in (a), state the purpose.
38. 9(b)(ii)2 marksFor EACH category of protected area identified in (a), state the main feature.
39. 9(c)6 marksExplain how protected areas promote natural resource conservation, including THREE roles in your response.
40. 9(d)8 marksAssess the effectiveness of protected areas in conserving natural resources in the Caribbean, including THREE issues associated with the implementation and operation of protected areas.