Biodiversity Under Threat – Exam Questions

Jan 2011
Biodiversity Under Threat
2 Study Figure 2.
(a) Suggest reasons for variations in the percentage of protected terrestrial and
marine areas.
(10)
(b) Using examples, assess the relative importance of human and physical factors in
influencing levels of biodiversity.
(15)
(Total for Question 2 = 25 marks)
Jan 2012
Biodiversity under Threat
3 Study Figure 3.
(a) Explain how physical factors influence the distribution of biodiversity shown.
(10)
(b) With reference to a named global ecosystem, assess the global and local value of
its goods and services.
(15)
(Total for Question 3 = 25 marks)
Jan 2013
Biodiversity under Threat
2 Study Figure 2.
(a) Using Figure 2, explain why a spectrum of strategies is used to help conserve
biodiversity.
(10)
(b) Using named examples, assess the severity of global and local threats to
biodiversity.
(15)
(Total for Question 2 = 25 marks)
June 2011
Biodiversity under Threat
3 Study Figure 3.
(a) Explain how the three scenarios shown could have very different consequences
for biodiversity.
(10)
(b) Using named examples, assess the advantages and disadvantages of two
contrasting strategies for managing biodiversity.
(15)
(Total for Question 3 = 25 marks)
June 2012
Biodiversity under Threat
2 Study Figure 2.
(a) Suggest reasons for the trends in the health of the four groups shown.
(10)
(b) Using named examples, examine the relationship between levels of economic
development and attitudes towards conservation of ecosystems.
(15)
(Total for Question 2 = 25 marks)
June 2013
Biodiversity under Threat
3 Study Figure 3.
(a) Using Figure 3, explain how the three threats shown can affect physical processes
within ecosystems.
(10)
(b) To what extent are local, small scale conservation schemes likely to protect
biodiversity more successfully than global initiatives?
(15)
(Total for Question 3 = 25 marks)
June 2014
Biodiversity Under Threat
3 Study Figure 3.
(a) Using Figure 3, explain the physical and human factors that could influence the
number of endemic species found in particular locations.
(10)
(b) Using named examples, evaluate the economic, cultural and environmental value
of a named global ecosystem.
(15)
(Total for Question 3 = 25 marks)