Biology GCSE
Dry mass
What Dry mass means in Biology GCSE, as defined for AQA.
Definition of Dry mass
Check what you remember
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Reference: AQA
The mass of living material measured without water, usually in g m⁻² or kg m⁻², since water content varies and is not useful for comparing trophic levels.
Topics that use Dry mass
- Transfer of biomass (AQA GCSE)
Related terms
- Biomass transfer between trophic levels
- Efficiency of biomass transfer
- egestion
- Energy loss in ecosystems
- Energy loss in food chains
- Fate of incident light
- Glucose as respiratory substrate
- Pyramid of biomass
Using Dry mass in the exam
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