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7.4 Trophic levels in an ecosystem

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Question 9

A pond food chain contains pondweed, water snails, perch and herons. Each organism is eaten by the organism that follows it in the chain.

Which organism is the apex predator in this food chain?

[1]
A

Pondweed

B

Water snail

C

Perch

D

Heron

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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