Biology GCSE
Xylem
What Xylem means in Biology GCSE, as defined for AQA.
Definitions of Xylem
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Reference: AQA
Tissue made of dead, hollow cells strengthened with lignin, allowing water and mineral ions to move upward and providing support.
A plant transport tissue that carries water and dissolved mineral ions in one direction, from roots towards stems and leaves.
Transports water and dissolved mineral ions from the roots upwards to the stem and leaves.
Topics that use Xylem
- Plant organ system (AQA GCSE)
- Plant tissues (AQA GCSE)
Related terms
- Phloem
- Active transport
- Adaptations of root hair cells
- Cohesion and tension
- Concentration gradient
- Continuous transport pathways
- Energy from respiration for active transport
- Epidermal tissue
Using Xylem in the exam
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