Biology 9700 · AS & A Level · Transport mechanisms

Transport mechanisms — practice question

The diagram illustrates the transfer of energy among organisms in an ecosystem. Which option correctly names each organism in the ecosystem?

  • A1 primary consumers, 2 decomposers, 3 secondary consumers, 4 producers
  • B1 primary consumers, 2 secondary consumers, 3 producers, 4 decomposers
  • C1 secondary consumers, 2 decomposers, 3 producers, 4 primary consumers
  • D1 secondary consumers, 2 primary consumers, 3 decomposers, 4 producers

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