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7.3 Biodiversity and the effect of human interaction on ecosystems

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Question 9

A conservation programme restored part of a reed-bed habitat in a nature reserve.

MeasurementArea of reed bed (hectares)
Before restoration35
After restoration49

By what percentage did the restoration increase the area of the reed bed?

[1]
A

40%

B

2.5%

C

14%

D

0.4%

Markscheme

7.3 Biodiversity and the effect of human interaction on ecosystems Questions

  1. GCSE
  2. /Biology
  3. /7.3 Biodiversity and the effect of human interaction on ecosystems

84 exam-style questions on AQA GCSE Biology 7.3 Biodiversity and the effect of human interaction on ecosystems, covering 7.3.1 Biodiversity, 7.3.2 Waste management, 7.3.3 Land use, 7.3.4 Deforestation, 7.3.5 Global warming, and 7.3.6 Maintaining biodiversity. Each one has a worked solution and a mark scheme showing where the marks go.

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