Biology A-Level
percentage efficiency
What percentage efficiency means in Biology A-Level, as defined for AQA.
Definition of percentage efficiency
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Reference: AQA
Transfer between consumer trophic levels is typically around ten per cent, and roughly one per cent from light to producers.
Topics that use percentage efficiency
- Energy and ecosystems (A-level only) (AQA A-Level)
Related terms
- biological molecules
- biomass
- calorimetry
- Condensation reactions
- decomposers and saprobionts
- dry mass per unit area
- energy per gram of dry mass
- faeces and excretion
Using percentage efficiency in the exam
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