Combined Science GCSE
Xylem
What Xylem means in Combined Science GCSE, as defined for AQA.
Definitions of Xylem
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Reference: AQA
Carries water and dissolved mineral ions from the roots to the stem and leaves, and is made of dead, hollow cells joined end to end with lignified walls that also support the plant.
Dead, hollow cells joined end to end form continuous tubes with thickened walls that carry water and mineral ions upward and support the plant.
Tissue that transports water and mineral ions from the roots to the stems and leaves, composed of hollow tubes strengthened by lignin.
Tissue that delivers water and mineral ions from roots.
Topics that use Xylem
- Plant organ system (AQA GCSE)
- Plant tissues (AQA GCSE)
Related terms
- Structure related to function
- Active transport
- Air spaces
- Calculating rates from measurements
- Cell specialisation and adaptation
- Cellular control of pore size
- Chloroplasts
- Data presentation
Using Xylem in the exam
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