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Cambridge IGCSE Combined Science practice

What defines an ecosystem?

Try the question first, then check the answer and practise the same topic again.

Show answerHabitat destruction revisionRevise the key idea

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MCQ

Type

cambridge_mcq

Style

Topic

Habitat destruction

Exam-style question

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What defines an ecosystem?.

  1. A.A community of organisms only
  2. B.A community of organisms and their environment
  3. C.Only the physical environment
  4. D.A group of similar species

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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]