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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Habitat destruction

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Habitat destruction

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Paper 3Theory (Core)4 marks

Human activities can significantly impact ecosystems.

Description

Impact of Human Activities

Pollution, deforestation, and urbanization are examples of human activities that can disrupt ecosystems and lead to loss of biodiversity.

  1. a

    Discuss the effects of pollution on ecosystems.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Habitat destruction

Paper 3Theory (Core)3 marks

Description

Ecosystem Components

An ecosystem consists of various organisms and their physical environment, interacting in complex ways. These interactions can be seen in food webs, nutrient cycles, and energy flows.

  1. a

    Explain the importance of interactions within an ecosystem.

    Aim for approximately 3 distinct marking points.

    [3]