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7.4 Trophic levels in an ecosystem

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Question 15

Researchers record feeding in a desert community. Prickly pear cactus makes biomass by photosynthesis. Grasshoppers and desert mice eat the cactus. Lizards eat grasshoppers, and snakes eat lizards.

Which feeding relationship includes a secondary consumer eating its food?

[1]
A

Grasshoppers eating prickly pear cactus

B

Snakes eating lizards

C

Lizards eating grasshoppers

D

Desert mice eating prickly pear cactus

Markscheme

7.4 Trophic levels in an ecosystem Questions

  1. GCSE
  2. /Biology
  3. /7.4 Trophic levels in an ecosystem

103 exam-style questions on AQA GCSE Biology 7.4 Trophic levels in an ecosystem, covering 7.4.1 Trophic levels, 7.4.2 Pyramids of biomass, and 7.4.3 Transfer of biomass. Each one has a worked solution and a mark scheme showing where the marks go.

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