CAPE Environmental Science Unit 1 · 2005 · Paper 1

32 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)(i)2 marksDefine and give an example of the hydrosphere.
2. 1(a)(ii)2 marksDefine and give an example of the lithosphere.
3. 1(b)(i)1 markDefine the term 'ecotone'.
4. 1(b)(ii)3 marksState three characteristics of ecotones.
5. 2(a)2 marksIdentify the two types of competition that occur in ecosystems.
6. 2(b)4 marksWhich of the two types of competition identified in (a) is more intense? Explain your answer.
7. 3(a)1 markState the type of ecological succession that is represented in Figure 1.
8. 3(b)(i)1 markFrom Figure 1, identify the pioneer community.
9. 3(b)(ii)1 markFrom Figure 1, identify the climax community.
10. 3(c)4 marksDescribe the role of the pioneer community in ecological succession.
11. 4(a)2 marksState the meaning of the term 'environmental resistance'.
12. 4(b)(i)2 marksState two environmental resistance factors.
13. 4(b)(ii)5 marksOutline how environmental resistance may result in a decrease in the rate of growth of a population.
14. 5(a)(i)4 marksCalculate the percentage growth rate of the population.
15. 5(a)(ii)2 marksCalculate the doubling time of the population.
16. 5(b)2 marksIn what year would the population size be approximately 5 000 000?
17. 6(a)2 marksState two abiotic factors that affect the location of human populations.
18. 6(b)4 marksFor the two abiotic factors stated in (a), outline two ways in which each affects the location of populations.
19. 7(a)2 marksWhat is meant by the phrase 'per capita waste production'?
20. 7(b)6 marksSuggest three reasons for the difference in the per capita waste production for North America and the Caribbean.
21. 8(a)3 marksUsing the provided data, complete Table 2 to show the correct relationships between the population parameters and the type of country.
22. 8(b)5 marksOutline the relationship between the three population parameters for Country Y which you identified in Table 2.
23. 9(a)3 marksIdentify the three types of coastal ecosystems shown in Figure 2: Ecosystem A, Ecosystem B, and Ecosystem C.
24. 9(b)3 marksDescribe one relationship between these three ecosystems.
25. 10(a)3 marksOutline the importance of a named natural resource in providing employment.
26. 10(b)3 marksOutline the importance of the named natural resource in providing foreign exchange.
27. 11(a)1 markState the trend in timber use over the period shown in Figure 3.
28. 11(b)4 marksOutline two ways in which the trend stated in (a) will impact on the environment.
29. 11(c)4 marksState four steps that could be taken to mitigate the environmental impacts outlined in (b).
30. 12(a)3 marksDefine the term 'protected area'.
31. 12(b)2 marksIdentify two categories of protected areas, under the International Union for the Conservation of Nature (IUCN) Classification System, that are of relevance to your country.
32. 12(c)4 marksState two reasons why each category chosen in (b) should be protected.