Biology A (Salters-Nuffield) A-Level
Energy units
What Energy units means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Energy units
Check what you remember
Read the wording for your board, then hide it and explain Energy units in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Units such as kJ m⁻² year⁻¹, used when calculating the efficiency of energy transfer between trophic levels.
Topics that use Energy units
- Topic 5: On the Wild Side (Pearson Edexcel A-Level)
Related terms
- Abiotic factors
- Abundance
- Allele frequency
- Allopatric speciation
- Anthropogenic causes of climate change
- ATP as universal energy currency
- Biomass units
- Biotic factors
Using Energy units in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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