A-LevelBiologyBiodiversity and conservation9700/12 · Oct/Nov 2014 · Q391 Mark

Which stage of energy transfer has the lowest efficiency?

Asunlight → producer

Bproducer → primary consumer

Cprimary consumer → secondary consumer

Dsecondary consumer → tertiary consumer

✓ Correct answer

A: sunlight → producer

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Topic: Biodiversity and conservation, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2014 Paper 1 Variant 2, question 39.

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