Question
List two structural adaptations that make xylem vessels suitable for transport of water and minerals salts.
Answer
- Hollow for continuous flow of water from roots to leaves;
- Have dead cells to allow flow of water and mineral salts without interruption.
- Walls strengthened by lignin to prevent collapsing.
- Narrow lumen to enhance capillarity
- Have pits on side walls for lateral movement of water.
- Have dead cells to allow flow of water and mineral salts without interruption.
- Walls strengthened by lignin to prevent collapsing.
- Narrow lumen to enhance capillarity
- Have pits on side walls for lateral movement of water.
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