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A Level Biology

Exchange and Transport in Plants

Why do Plants Need a Specialised Transport System?
The Location and Structure of the Vascular Bundle
The Structure and Functions of Xylem
The Structure and Functions of Phloem
Movement of Water Through the Roots of a Plant
Transpiration and the Cohesion-Tension Theory
The Bubble Potometer and the Mass Potometer
How do Stomata Control the Rate of Transpiration?
Factors that Affect the Rate of Transpiration
Xerophytic Adaptations of Plants
Translocation in the Phloem