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(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.
- 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.
- 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.
- 1(d)(ii)3 marks· Biology Q1 1(d)(ii)Account for the trend in the frog population before and after the hurricane.
- 1(d)(iii)2 marks· Biology Q1 1(d)(iii)Suggest ONE reason why it is useful to study the distribution of frogs.
- 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.
- 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.
- 6(b)6 marks· Biology Q6 6(b)Explain THREE factors that may have caused a lower yield of tomatoes in Harry's plot.