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7.2 Organisation of an ecosystem

7.2 Organisation of an ecosystem

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Question 2
F

A pond contains the food chain: algae → water flea → stickleback → heron. Which organism is the secondary consumer?

[1]
A

The algae, which are eaten by the water fleas

B

The stickleback, which is eaten by the heron

C

The water flea, which is eaten by the stickleback

D

The heron, which is not eaten by any organism

Markscheme

7.2 Organisation of an ecosystem Questions

  1. GCSE
  2. /Biology
  3. /7.2 Organisation of an ecosystem

40 exam-style questions on AQA GCSE Biology 7.2 Organisation of an ecosystem, covering 7.2.1 Levels of organisation, 7.2.2 How materials are cycled, 7.2.3 Decomposition, and 7.2.4 Impact of environmental change (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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