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7.3 Biodiversity and the effect of human interaction on ecosystems

7.3 Biodiversity and the effect of human interaction on ecosystems

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Question 4
F

Peat is removed from peat bogs and sold as garden compost.

Which statement describes how using peat as compost affects the atmosphere?

[1]
A

The peat absorbs carbon dioxide from the air as it dries out in gardens

B

Removing the peat lets more bog plants grow, which remove carbon dioxide

C

The peat is decayed by microorganisms, which releases carbon dioxide

D

The peat is decayed by microorganisms, which releases oxygen only

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

49 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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