CAPE Environmental Science Unit 1 · 2006 · Paper 2
30 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(a)(i)4 marksExplain the meaning of range of tolerance.
- 1(a)(ii)4 marksExplain the meaning of limiting factors.
- 1(b)3 marksState THREE limiting factors for an aquatic ecosystem.
- 1(c)9 marksOutline how EACH of the limiting factors stated in (b) impacts on the population of organisms in an aquatic ecosystem.
- 2(a)3 marksIdentify the categories of organisms at EACH level shown in Figure 1.
- 2(b)5 marksAccount for the shape of the diagram in Figure 1.
- 2(c)3 marksDraw a diagram showing the pyramid of numbers for the mango tree.
- 2(d)9 marksAccount for any difference between the shape of the pyramid of energy shown in Figure 1 and the pyramid of numbers drawn in (c).
- 320 marksJustify the statement that 'Natural ecosystems are vital to the existence of human beings.' Include FIVE reasons in your answer.
- 4(a)4 marksDescribe, in terms of birth rate and death rate, how the rate of growth of the population depicted in Figure 2 changed between 1840 and 2000.
- 4(b)12 marksBy considering at least THREE social parameters, suggest how changes in social conditions within the population during the period 1840 to 1880 could account for the changes in growth rate described in (a).
- 4(c)4 marksOutline ONE possible environmental impact of rapid changes in the population growth rate of a named Caribbean country.
- 5(a)3 marksPlace EACH of the regions (1 to 8) into ONE of the following categories: (i) High per capita consumption, (ii) Low per capita consumption patterns.
- 5(b)10 marksEvaluate the statement: 'High consumption patterns in developed countries have led to environmental problems in developing countries.'
- 5(c)7 marksDeveloping countries have low per capita consumption in comparison to developed countries. Does this mean that developing countries do not contribute significantly to the world's environmental problems? Justify your…
- 6(a)8 marksOutline the relationship between the population growth of a country and its ability to achieve sustainable development.
- 6(b)(i)4 marksLevel of education
- 6(b)(ii)4 marksEconomic status
- 6(b)(iii)4 marksAccess to family planning services
- 7(a)5 marksPhysical conversion of land
- 7(b)5 marksDust pollution
- 7(c)5 marksDischarge of process chemicals
- 7(d)5 marksSiltation
- 8(a)4 marksSuggest FOUR types of reasons for natural resource conservation.
- 8(b)(i)4 marksRehabilitation
- 8(b)(ii)4 marksRestoration
- 8(b)(iii)4 marksPreservation
- 8(b)(iv)4 marksIn-situ and ex-situ conservation
- 9(a)16 marksDescribe FOUR environmental impacts associated with the exploitation of forest resources in the Caribbean.
- 9(b)4 marksSuggest ONE recommendation for addressing EACH impact identified in (a).