IB Questionbank

Date	May 2019	Marks available	1	Reference code	19M.1.SL.TZ0.3
Level	Standard Level	Paper	Paper 1	Time zone	Time zone 0
Command term	Calculate	Question number	3	Adapted from	N/A

Question

Figure 4(a): Species within the Coral Triangle

With reference to the data in Figure 4(a), calculate the percentage of the world’s coral species found in the Coral Triangle.

Markscheme

( $\frac{{605}}{{798}} \times 100$ ) = 75.81 (%) / 75.8 (%) / 76 (%)

[1]

Examiners report

The majority of candidates calculated percentage correctly. A few rounded the answer incorrectly and there appeared to be some candidates who did not have a calculator and struggled with the calculation.

Syllabus sections

Topic 3: Biodiversity and conservation » 3.1 An introduction to biodiversity

18N.1.SL.TZ0.4b:
With reference to Figures 9(a) and 9(b), explain the impacts of beaver dams on biodiversity within Algonquin Provincial Park.
17N.2.SL.TZ0.2a.ii:
With reference to Figure 2 identify three factors that could explain the high biodiversity in Ecuador.
17N.2.SL.TZ0.2a.i:
Define biodiversity.
17N.1.SL.TZ0.2:
With reference to Figures 3(a) and 3(b) describe the trends in Iceland’s population dynamic
18M.1.SL.TZ0.7:
Explain why Madagascar has a high number of endemic species.
19N.2.SL.TZ0.6a:
Outline the factors that contribute to total biodiversity of an ecosystem.
16N.2.SL.TZ0.1c:
Outline two reasons why the Swakop river is considered to be ecologically important.
17M.2.SL.TZ0.7c:
Environmental value systems differ in how they view the importance of biodiversity and this could influence a community’s approach to conservation.

Discuss how these different perspectives, including your own, may influence approaches to conservation.

Question

Markscheme

Examiners report

Syllabus sections

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