Ecosystems Under Threat (WJEC Eduqas GCSE Geography B): Exam Questions

Exam code: C112

33 mins7 questions
1
4 marks

For another ecosystem you have studied (other than hot semi-arid grasslands), explain how biodiversity has been affected by human activity.

Name of ecosystem: ...................................................................................

2
4 marks

Much of the mangrove forest along Jakarta’s coastline has been destroyed.

Explain why some ecosystems are being modified/changed by people.

3
4 marks

Give four human activities that have damaged hot semi-arid grasslands.

Activity 1 .......................................................................................................

Activity 2 .........................................................................................................

Activity 3.........................................................................................................

Activity 4 ..........................................................................................................

4
8 marks

‘The economic benefits are more important than environmental costs when managing ecosystems.’

How far do you agree with this statement?

Study the Figure 3.5 and/or examples you have studied to support your answer.

Diagram of the Camargue Wetland in France showing flamingos, rice fields, and a map indicating its location with adjacent images of salt production and beaches.
Figure 3.5 – Camargue Wetland Ecosystem in Southern France
5
6 marks

Explain why human activities have negative impacts on hot semi-arid grasslands.

6a
2 marks

Study Figure 3.2.

Figure 3.2 Biodiversity hot spots in the world. (A biodiversity hot spot is a region with a great variety of organisms).

Region

% of world hot spots

Area of vegetation left intact in km2

Africa

23

80150

Asia-Pacific

38

82000

Europe and Central Asia

12

54600

North and Central America

12

90000

South America

15

236000

TOTAL

100

542750

Complete the pie chart below using the data in Figure 3.2 for percentage (%) of world biodiversity hot spots.

Pie chart showing continents' representation: Africa 25%, Asia Pacific 25%, Europe and Central Asia 25%, other regions not included. Key provided.
6b
1 mark

Give one reason to explain why a line graph would not be an appropriate technique for the percentage (%) world hot spots data.

7
4 marks

For a named ecosystem you have studied (other than hot semi-arid grassland) describe how the ecosystem has been managed.

Name of ecosystem .................................................................................