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Cambridge IGCSE Environmental Management practice

Paper 1 structured question: Deforestation

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Topic

Deforestation

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Paper 1Theory6 marks

Deforestation is a major environmental issue caused by various human activities and has several negative effects on ecosystems and climate.

Description

Causes and Effects of Deforestation

Deforestation occurs due to timber extraction and logging, subsistence and commercial agriculture, construction of roads and settlements, and extraction of rocks and minerals. The effects include loss of habitats, soil erosion and desertification, climate change, and reduction of biodiversity and genetic diversity.

  1. a

    Describe two reasons why deforestation occurs.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Explain two environmental effects of deforestation.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 1 structured question: Deforestation

Paper 1Theory6 marks

Diagram Description

Diagram of Deforestation Causes and Effects

The diagram shows four main causes of deforestation: timber extraction, agriculture, road and settlement construction, and mining. The effects include habitat loss, soil erosion, desertification, climate change, and reduced biodiversity.

CausesEffects
Timber extraction and loggingLoss of habitats
Subsistence and commercial agricultureSoil erosion and desertification
Construction of roads and settlementsClimate change
Extraction of rocks and mineralsReduction of biodiversity and genetic diversity
  1. a

    Identify two causes of deforestation shown in the diagram.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Discuss how deforestation leads to climate change and loss of biodiversity.

    Aim for approximately 4 distinct marking points.

    [4]