CAPE Environmental Science Unit 1 · 2016 · Paper 2

33 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)6 marksDistinguish between sedimentary and gaseous biogeochemical cycles, providing ONE example of each type.
2. 1(b)(i)3 marksState THREE deductions concerning the variation of the population of the species recorded by Student A.
3. 1(b)(ii)3 marksCalculate the difference between the carrying capacity values obtained by Student A and Student B.
4. 1(b)(iii)4 marksSuggest TWO reasons for the difference in carrying capacity estimates obtained by the two students.
5. 1(c)4 marksDistinguish between intraspecific competition and interspecific competition, and explain why intraspecific competition is more intense.
6. 2(a)3 marksState THREE ways in which primary ecological succession differs from secondary ecological succession.
7. 2(b)(i)4 marksUsing Figure 2, determine which two countries together have 70% of their forest remaining intact, showing your working.
8. 2(b)(ii)7 marksIdentify which country is MOST likely to undergo ecological succession and justify your answer.
9. 2(c)3 marksDefine the term 'limiting factor' and explain how limiting factors function within an environment.
10. 2(d)3 marksExplain the role played by natural selection in the adaptation of species to their natural environment.
11. 3(a)(i)4 marksCalculate the percentage difference in per capita water consumption between developing and developed countries.
12. 3(a)(ii)4 marksAccount for the difference in per capita water consumption between developing and developed countries.
13. 3(a)(iii)6 marksDiscuss the environmental impact that can result from high per capita water consumption.
14. 3(b)(i)3 marksExplain how religion may impact the rate of population growth.
15. 3(b)(ii)3 marksExplain how culture may impact the rate of population growth.
16. 4(a)3 marksExplain what is meant by the term 'sustainable development'.
17. 4(b)4 marksExplain how high birth rates can affect a country's ability to achieve sustainable development.
18. 4(c)2 marksUsing the data in Table 2, make TWO comparisons between Country A and Country B.
19. 4(d)(i)1 markIdentify the percentage of the world's population that lacks access to adequate health care services.
20. 4(d)(ii)4 marksCalculate the total number of individuals who lack access to BOTH clean drinking water and improved sanitation services.
21. 4(d)(iii)6 marksExplain THREE distinct methods by which the pollution impacts resulting from poor sanitation services can be mitigated.
22. 5(a)2 marksIdentify TWO types of natural resources shown in Figure 4.
23. 5(b)(i)2 marksFor ONE chosen resource from (a), classify it as renewable or non-renewable, and as exhaustible or inexhaustible.
24. 5(b)(ii)3 marksUsing an example of a chosen natural resource, explain the difference between 'non-renewable natural resources' and 'exhaustible natural resources'.
25. 5(c)6 marksAssess the statement that a natural resource cannot serve both livelihood and recreational purposes (state true or false), and justify your position using ONE natural resource from Figure 4.
26. 5(d)(i)3 marksSketch a bar chart illustrating the Amerindian population data presented in Table 3.
27. 5(d)(ii)2 marksCalculate the Amerindian population in Trinidad and Tobago, given a total national population of approximately 1.3 million.
28. 5(d)(iii)2 marksOutline ONE practice used by indigenous Caribbean peoples to manage their natural resources.
29. 6(a)2 marksDefine 'non-consumptive use of natural resources' and give ONE example.
30. 6(b)(i)4 marksSelect ONE tool among sustainable yield management, waste minimization, and environmental legislation, and explain how it operates to achieve natural resource management and conservation.
31. 6(b)(ii)3 marksExplain how political factors can influence the success of tools used for natural resource management.
32. 6(c)(i)5 marksConstruct a suitable summary table displaying the data shown in Figure 5.
33. 6(c)(ii)6 marksSuggest THREE reasons why fish represent the most threatened group of species across all three territories.