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Exam-style practice

Food chains and food webs practice questions

Practise mixed syllabus-aligned questions for Food chains and food webs. Aligned to Cambridge IGCSE Biology.

Practice questions

Question 20 of 36

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Paper 3 structured question: Food chains and food webs

Paper 3Theory (Core)1 marks

Description

Introduction of a non-native species

A non-native fish species was introduced into a river. This species competes with native fish for food and habitat.

  1. a

    Identify one possible effect of introducing the non-native fish species on the native fish population.

    Aim for approximately 1 distinct marking point.

    [1]
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