Biology GCSE
trophic level efficiency
What trophic level efficiency means in Biology GCSE, as defined for OCR.
Definition of trophic level efficiency
Check what you remember
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Reference: OCR
Comparing the energy efficiency of crop production versus livestock rearing across trophic levels, where 90% of energy is lost between trophic levels.
Topics that use trophic level efficiency
- Feeding the human race (OCR GCSE)
Related terms
- agricultural biotechnology
- agricultural economics
- antibiotic resistance markers
- artificial selection
- biofortification and ethics
- crop yield optimisation
- food production data
- Food security
Using trophic level efficiency in the exam
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