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7.2 Organisation of an ecosystem

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Question 15

In a heathland, this food chain occurs.

heather → caterpillar → small bird

A disease causes the number of small birds to fall greatly.

Suggest and explain how this change is likely to affect the number of caterpillars.

[2]
Markscheme

7.2 Organisation of an ecosystem Questions

  1. GCSE
  2. /Biology
  3. /7.2 Organisation of an ecosystem

83 exam-style questions on AQA GCSE Biology 7.2 Organisation of an ecosystem, covering 7.2.1 Levels of organisation, 7.2.2 How materials are cycled, 7.2.3 Decomposition, and 7.2.4 Impact of environmental change (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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