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9.2 Energy transfer and biodiversity

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Question 21
H

Producers store 50000 kJ in new biomass. The efficiency of transfer to herbivores is 16%. The efficiency from herbivores to carnivores is 12%.

How much energy is stored in new carnivore biomass from this source?

[1]
A

6000 kJ6000\,\text{kJ}6000kJ

B

960 kJ960\,\text{kJ}960kJ

C

8000 kJ8000\,\text{kJ}8000kJ

D

14000 kJ14000\,\text{kJ}14000kJ

Markscheme

9.2 Energy transfer and biodiversity Questions

  1. GCSE
  2. /Biology
  3. /9.2 Energy transfer and biodiversity

38 exam-style questions on Edexcel GCSE Biology 9.2 Energy transfer and biodiversity, covering 9.2.1 Energy transfer between trophic levels, 9.2.2 Efficiency of energy transfers, 9.2.3 Human interactions and biodiversity, 9.2.4 Benefits of maintaining biodiversity, and 9.2.5 Biological factors affecting food security. Each one has a worked solution and a mark scheme showing where the marks go.

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