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9.2 Energy transfer and biodiversity

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Question 20
F

Drought reduces crop yields in a region. At the same time, the cost of irrigation increases.

Which explanation best links both changes to reduced food security?

[1]
A

More crops grow and more farmers can afford irrigation.

B

More crops grow but fewer farmers can afford irrigation.

C

Fewer crops grow but more farmers can afford irrigation.

D

Fewer crops grow and fewer farmers can afford irrigation.

Markscheme

9.2 Energy transfer and biodiversity Questions

  1. GCSE
  2. /Biology
  3. /9.2 Energy transfer and biodiversity

38 exam-style questions on Edexcel GCSE Biology 9.2 Energy transfer and biodiversity, covering 9.2.1 Energy transfer between trophic levels, 9.2.2 Efficiency of energy transfers, 9.2.3 Human interactions and biodiversity, 9.2.4 Benefits of maintaining biodiversity, and 9.2.5 Biological factors affecting food security. Each one has a worked solution and a mark scheme showing where the marks go.

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