Quelpr

Human Interaction and Ecosystem Investigation · CAPE Environmental Science Unit 1

40 past-paper questions on Human Interaction and Ecosystem Investigation, part of Fundamental Ecological Principles, from every CAPE Environmental Science Unit 1 paper on Quelpr.

Practise Human Interaction and Ecosystem Investigation
  1. 9(a)3 marks· CAPE Environmental Science Unit 1 · 2005 · Paper 1Identify the three types of coastal ecosystems shown in Figure 2: Ecosystem A, Ecosystem B, and Ecosystem C.
  2. 3(a)8 marks· CAPE Environmental Science Unit 1 · 2005 · Paper 2Using specific examples, describe TWO impacts of humans on ecosystems.
  3. 4(a)3 marks· CAPE Environmental Science Unit 1 · 2006 · Paper 1Outline the impact of humans on the abiotic component of a natural ecosystem.
  4. 4(b)3 marks· CAPE Environmental Science Unit 1 · 2006 · Paper 1Outline the impact of humans on the biotic component of a natural ecosystem.
  5. 1(b)3 marks· CAPE Environmental Science Unit 1 · 2006 · Paper 2State THREE limiting factors for an aquatic ecosystem.
  6. 1(c)9 marks· CAPE Environmental Science Unit 1 · 2006 · Paper 2Outline how EACH of the limiting factors stated in (b) impacts on the population of organisms in an aquatic ecosystem.
  7. 1(c)8 marks· CAPE Environmental Science Unit 1 · 2007 · Paper 2Explain how human activity may disrupt the feeding relationship illustrated in Figure 1, including TWO ways in your response.
  8. 1(a)1 mark· CAPE Environmental Science Unit 1 · 2008 · Paper 2Name ONE non-native species that was introduced in the Caribbean.
  9. 1(c)9 marks· CAPE Environmental Science Unit 1 · 2008 · Paper 2Outline THREE impacts on the ecosystem that may result from the introduction of a non-native species.
  10. 3(b)(ii)8 marks· CAPE Environmental Science Unit 1 · 2008 · Paper 2Describe TWO ways in which human activities can disrupt the integrity of natural ecosystems.
  11. 2(b)(i)5 marks· CAPE Environmental Science Unit 1 · 2009 · Paper 2On the axes provided in the insert, illustrate the data shown in Table 1 as a bar chart.
  12. 3(d)8 marks· CAPE Environmental Science Unit 1 · 2009 · Paper 2Assess TWO possible impacts on the ecosystem if the population of snails is significantly reduced by draining the waterway.
  13. 8(a)4 marks· CAPE Environmental Science Unit 1 · 2009 · Paper 2Describe ONE function of mangrove ecosystems.
  14. 8(b)(i)2 marks· CAPE Environmental Science Unit 1 · 2009 · Paper 2What can you deduce from the information presented in Table 3?
  15. 8(b)(ii)2 marks· CAPE Environmental Science Unit 1 · 2009 · Paper 2Justify your response in (b)(i).
  16. 1(a)(iv)3 marks· CAPE Environmental Science Unit 1 · 2011 · Paper 2Determine after how many months the difference in population size between Species 1 and Species 2 reaches its maximum, showing how the answer was determined.
  17. 1(a)(v)1 mark· CAPE Environmental Science Unit 1 · 2011 · Paper 2Identify the minimum population size of Species 1 shown on the graph.
  18. 6(d)(i)3 marks· CAPE Environmental Science Unit 1 · 2011 · Paper 2Calculate the percentage reduction in total suspended solids in the effluent after the entire treatment process.
  19. 6(d)(ii)2 marks· CAPE Environmental Science Unit 1 · 2011 · Paper 2Calculate the percentage reduction in total suspended solids after effluent passes through two ponds.
  20. 6(d)(iii)2 marks· CAPE Environmental Science Unit 1 · 2011 · Paper 2State whether four settling ponds are necessary for adequate pollution control at this quarry, giving one reason to justify your answer.
  21. 1(c)(i)8 marks· CAPE Environmental Science Unit 1 · 2012 · Paper 2It was determined that there was a high concentration of phosphate and nitrate in the effluent. Using the information in Figure 1, explain why the effluent concentration resulted in the trend observed in (b).
  22. 2(b)(i)3 marks· CAPE Environmental Science Unit 1 · 2013 · Paper 2State THREE deductions that can be drawn from Figure 2.
  23. 2(b)(ii)2 marks· CAPE Environmental Science Unit 1 · 2013 · Paper 2Using data values from Figure 2, determine which two anthropogenic activities combined have the HIGHEST impact on the terrestrial ecosystem.
  24. 2(b)(iii)6 marks· CAPE Environmental Science Unit 1 · 2013 · Paper 2Explain why the discharge of untreated sewage into aquatic ecosystems should NOT be encouraged.
  25. 2(c)4 marks· CAPE Environmental Science Unit 1 · 2014 · Paper 2Explain TWO ways human activities disrupt the integrity of natural ecosystems.
  26. 2(d)(i)2 marks· CAPE Environmental Science Unit 1 · 2014 · Paper 2Using Figure 3, calculate the combined number of individuals of the TWO least collected species.
  27. 2(b)(i)4 marks· CAPE Environmental Science Unit 1 · 2015 · Paper 2State FOUR deductions that can be made from the information provided in Table 1.
  28. 5(b)(i)4 marks· CAPE Environmental Science Unit 1 · 2015 · Paper 2Estimate the average annual rate of change of beach width at Dickenson Bay A over the period 1992 to 1999. Express your answer in m/year and show all working.
  29. 5(b)(ii)1 mark· CAPE Environmental Science Unit 1 · 2015 · Paper 2Assuming that the trend in beach width at Dickenson Bay A remains the same, predict the width of the beach at Dickenson Bay A in 2002.
  30. 1(b)(iii)4 marks· CAPE Environmental Science Unit 1 · 2016 · Paper 2Suggest TWO reasons for the difference in carrying capacity estimates obtained by the two students.
  31. 2(b)(i)4 marks· CAPE Environmental Science Unit 1 · 2016 · Paper 2Using Figure 2, determine which two countries together have 70% of their forest remaining intact, showing your working.
  32. 6(c)(i)5 marks· CAPE Environmental Science Unit 1 · 2016 · Paper 2Construct a suitable summary table displaying the data shown in Figure 5.
  33. 2(b)(i)4 marks· CAPE Environmental Science Unit 1 · 2017 · Paper 2Describe how the data in Tables 1 and 2 may be used to provide information on the distribution of the three plant species.
  34. 2(b)(ii)4 marks· CAPE Environmental Science Unit 1 · 2017 · Paper 2Explain two ways in which human activities can disrupt the integrity of natural ecosystems.
  35. 5(a)(i)3 marks· CAPE Environmental Science Unit 1 · 2018 · Paper 2Outline an experiment that could be conducted to determine if air emissions from the gas station could be affecting the children at Spice Town School.
  36. 5(a)(ii)2 marks· CAPE Environmental Science Unit 1 · 2018 · Paper 2State whether the pollutants from the gas station would affect the school and justify your response based on the layout and wind direction in Figure 6.
  37. 2(c)2 marks· CAPE Environmental Science Unit 1 · 2019 · Paper 2State TWO human activities that may have a negative impact on a mangrove ecosystem.
  38. 2(d)(i)4 marks· CAPE Environmental Science Unit 1 · 2019 · Paper 2On the grid provided on page 13, draw a bar graph to represent the data in Table 2.
  39. 2(d)(ii)3 marks· CAPE Environmental Science Unit 1 · 2019 · Paper 2Given a choice between a line transect and a belt transect, which ONE is more suitable for conducting the study above? Explain your answer.
  40. 2(d)(iii)1 mark· CAPE Environmental Science Unit 1 · 2019 · Paper 2State ONE precaution that should be taken when collecting data using a line transect.

Related topics in Fundamental Ecological Principles