Biology › Section L · Plant form and physiology › Topic L.1
The plant body and stems
A plant is a body with no skeleton and no pump, yet it stands metres tall and moves hundreds of litres of water a day. Tissues and stems are how it manages.
In this topic
- Two organ systems
- Three tissue systems
- Xylem: dead pipes
- Phloem: living pipelines
- Worked example: Following water and sugar
- Stem structure
- Ground tissue's supporting cast
- Worked example: Reading a stem cross-section
- Growth: lengthening, thickening, and rings
- Stem modifications
- Common mistakes to avoid
- Key takeaways
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