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AQA · GCSE · Biology · Higher

Water pollution affecting limpets

Q01.7 1 mark

Populations of limpets are monitored to assess the impact of pollution in water. Suggest one type of pollution in water that may affect the population of limpets.

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Marking points

  1. 1 Names fertiliser pollution.
  2. 2 Names sewage pollution.
  3. 3 Names a toxic chemical or an accepted example.
  4. 4 Names microplastic pollution.
  5. 5 Names dissolved carbon dioxide pollution.
  6. 6 Names heavy-metal pollution.
  7. 7 Names thermal pollution.

Full-mark answer

Sewage pollution.

Why this answer loses marks

Pollution in the water.

This only repeats the prompt; a specific pollutant or type of water pollution is needed.

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