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Population Growth and Survival Factors · CSEC Biology

8 past-paper questions on Population Growth and Survival Factors, part of Living Organisms in the Environment, from every CSEC Biology paper on Quelpr.

  1. 1(c)(i)6 marks· Biology Q1 1(c)(i)Represent the data in Table 1 on a suitable graph on the grid provided on page 7.
  2. 1(c)(iv)2 marks· Biology Q1 1(c)(iv)Suggest what the likely consequences would be if the population size of the predatory fish is NOT controlled.
  3. 1(d)(i)4 marks· Biology Q1 1(d)(i)Plot a graph to represent the data shown in Table 3, using the grid provided on page 7.
  4. 1(d)(ii)3 marks· Biology Q1 1(d)(ii)Account for the trend in the frog population before and after the hurricane.
  5. 1(d)(iii)2 marks· Biology Q1 1(d)(iii)Suggest ONE reason why it is useful to study the distribution of frogs.
  6. 2(c)3 marks· Biology Q2 2(c)Suggest THREE possible reasons for the lower yield obtained in the plot with the larger number of seeds.
  7. 3(d)3 marks· Biology Q3 3(d)The size of a population of organisms may change from time to time. Name THREE physical factors that affect the size of populations in an ecosystem.
  8. 6(b)6 marks· Biology Q6 6(b)Explain THREE factors that may have caused a lower yield of tomatoes in Harry's plot.