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7.1 Adaptations, interdependence and competition

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Question 15

The estimated number of water voles in a nature reserve was 1250 in 2005 and 310 in 2025.

Calculate the fall in the estimated water vole population as a percentage of the 2005 estimate.

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Markscheme

7.1 Adaptations, interdependence and competition Questions

  1. GCSE
  2. /Biology
  3. /7.1 Adaptations, interdependence and competition

82 exam-style questions on AQA GCSE Biology 7.1 Adaptations, interdependence and competition, covering 7.1.1 Communities, 7.1.2 Abiotic factors, 7.1.3 Biotic factors, and 7.1.4 Adaptations. Each one has a worked solution and a mark scheme showing where the marks go.

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