A-LevelBiologyBiodiversity and conservation9700/12 · May/June 2012 · Q401 Mark
Why could only 4% of the energy from sunlight be fixed by producers during photosynthesis?
Alot of energy is lost as energy passes from one trophic level to the next in food chains.
Blot of sunlight reflects off clouds, is absorbed by pond water or does not strike chloroplasts.
CSome energy passes from dead plants to decomposers such as bacteria and fungi.
DSome parts of plants are not eaten or cannot be digested by herbivores.
✓ Correct answer
B: lot of sunlight reflects off clouds, is absorbed by pond water or does not strike chloroplasts.
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