A rabbit eats grass. Some of the grass is not digested.
What happens to the energy stored in this undigested material?
It is all transferred to rabbit muscle.
It leaves the rabbit in its faeces.
It is all released during respiration.
It leaves the rabbit as body heat.
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.