Biology A-Level
surface area for absorption
What surface area for absorption means in Biology A-Level, as defined for AQA.
Definition of surface area for absorption
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Reference: AQA
The enormous absorbing area added to the root system by extremely fine hyphae that reach water and ions in soil pores too small for root hairs to enter.
Topics that use surface area for absorption
- Nutrient cycles (A-level only) (AQA A-Level)
Related terms
- algal bloom
- ammonification
- artificial fertilisers
- decomposers
- denitrification
- eutrophication
- extracellular digestion
- ion availability
Using surface area for absorption in the exam
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