CAPE Environmental Science Unit 1 · 2010 · Paper 2

53 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)3 marksDistinguish between 'primary ecological succession' and 'secondary ecological succession'.
2. 1(b)(i)3 marksDescribe the trend in variation of the alligator population shown in Figure 1. Use specific values in your answer.
3. 1(b)(ii)1 markUsing the information presented in Figure 1, determine the carrying capacity of the Black River.
4. 1(b)(iii)1 markIn which year was the carrying capacity of the Black River MOST likely achieved?
5. 1(c)12 marksSuggest FOUR reasons to support the statement made by the teacher.
6. 2(a)(i)5 marksCalculate the species diversity for Ecosystem B using the equation D = N(N - 1) / Σ n(n - 1).
7. 2(a)(ii)1 markRank the three ecosystems in DECREASING order of species diversity.
8. 2(a)(iii)1 markWhich of three ecosystems is the MOST stable?
9. 2(a)(iv)4 marksSuggest FOUR reasons to support your answer to (iii) above.
10. 2(b)9 marksSuggest THREE inferences that can be made about the competition taking place among the amphibians in the grassland ecosystem.
11. 3(a)3 marksDefine the term 'ecological niche'.
12. 3(b)(i)3 marksDescribe the trend shown in Figure 2. Include specific values in your answer.
13. 3(b)(ii)1 markIn which month was size of the predator population equal to 200?
14. 3(b)(iii)1 markWhat was the size of the prey population in Month 11?
15. 3(b)(iv)6 marksSuggest TWO reasons why the predator population is successfully regulating the population of the prey.
16. 3(c)6 marksProvide THREE reasons to support the statement above.
17. 4(a)2 marksDefine the term 'poverty'.
18. 4(b)(i)1 markWhat percentage of the world's population lacks access to adequate sanitation facilities?
19. 4(b)(ii)2 marksCalculate the number of people who lack access to adequate housing and electricity.
20. 4(b)(iii)3 marksHow many more people lack access to clean drinking water than to enough food for good health?
21. 4(c)(i)4 marksSuggest ONE reason why someone might say Statement 1.
22. 4(c)(ii)8 marksProvide FOUR reasons to support Statement 2.
23. 5(a)(i)1 markWhat is the total ecological footprint for the country with the LARGEST per capita footprint?
24. 5(a)(ii)1 markWhat is the per capita ecological footprint for the country with the SMALLEST total footprint?
25. 5(a)(iii)4 marksDescribe the trends observed in Figure 4, using specific values in your answer.
26. 5(a)(iv)2 marksChina has a relatively small per capita ecological footprint, yet has the second highest total ecological footprint. Suggest ONE reason for this apparent discrepancy.
27. 5(b)(i)6 marksDescribe TWO ways in which people impact negatively on the environment, using THREE specific examples to illustrate EACH way.
28. 5(b)(ii)6 marksFor EACH way in which people impact negatively on the environment as described in (b)(i) above, suggest ONE way in which this negative result may be mitigated. Relevant, specific examples are required in your response.
29. 6(a)5 marksOn the insert provided, construct an age structure diagram from the data presented in Table 3. In your diagram, use a horizontal scale of 2 cm to represent 2 million people.
30. 6(b)(i)1 markSuggest a country that would have an age structure diagram similar to the one developed in (a) above.
31. 6(b)(ii)1 markWould the estimate of the likely rate of population growth in Country X be high, medium, low or negative?
32. 6(b)(iii)3 marksWith reference to the age structure diagram developed in Part (a), explain your response to (b)(ii).
33. 6(c)(i)2 marksDefine the term 'total fertility rate'.
34. 6(c)(ii)a)2 marksWhat is the trend over time in average global total fertility rate shown in Table 4?
35. 6(c)(ii)b)6 marksDiscuss THREE factors that would have contributed to the trend observed in Table 4.
36. 7(a)(i)1 markIdentify the traditional agricultural practice in Figure 5.
37. 7(a)(ii)4 marksOutline how this type of agriculture practice is carried out.
38. 7(a)(iii)6 marks'Indigenous forest dwellers often cause tropical forest destruction because of their traditional agricultural practice.' Do you agree with this statement? Provide THREE reasons to support your answer.
39. 7(b)(i)3 marksDescribe the trend illustrated in Figure 6.
40. 7(b)(ii)1 markIn which year is the employment in the fisheries sector GREATEST?
41. 7(b)(iii)1 markWhat is the TOTAL percentage employment of the forestry sector in 2003 and 2004?
42. 7(c)4 marksJustify the request of the EPA for the Environmental Impact Assessment. Give TWO points in your answer.
43. 8(a)(i)3 marksDescribe the trends in fish harvest shown in Figure 7.
44. 8(a)(ii)1 markIn what year was the maximum yield of fish obtained?
45. 8(a)(iii)4 marksSuggest TWO reasons for the trends shown in Figure 7.
46. 8(a)(iv)6 marksAt what production level would you recommend that the country continue to harvest its fish resource? Provide THREE reasons for your recommendation.
47. 8(b)6 marksOutline TWO factors that the government of the Caribbean country may have considered before making the decision to grant permission to private investors to exploit the gold resource.
48. 9(a)(i)3 marksDescribe the trend in the contribution made by natural resources in Country P.
49. 9(a)(ii)1 markWhat was the percentage contribution made by forestry in Year 1?
50. 9(a)(iii)1 markWhat was the difference in percentage contributions made by minerals in Year 1 and Year 3?
51. 9(b)9 marksIn the Caribbean country, P, which has many beaches, many people do not see the need for conservation and management of beaches as a natural resource. Suggest THREE reasons to convince a group of students that the…
52. 9(c)(i)3 marksJustify the usefulness of education and awareness in the conservation and management of beaches in the Caribbean.
53. 9(c)(ii)3 marksJustify the usefulness of legislation in the conservation and management of beaches in the Caribbean.