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7.4 Trophic levels in an ecosystem

7.4 Trophic levels in an ecosystem

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Question 32
H

Each lion eats many zebras during its lifetime, yet a savanna supports far fewer lions than zebras.

Which statement explains this?

[1]
A

Lions respire less than zebras, so each lion needs less food

B

Zebras reproduce faster because they feed directly on producers

C

Most of the biomass in the zebras eaten does not become lion biomass

D

Lions are apex predators, so nothing limits the size of their population

Markscheme

7.4 Trophic levels in an ecosystem Questions

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

61 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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