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3.1.3 Transport in plants - Coggle Diagram
3.1.3 Transport in plants
The need for transport systems in multicellular plants
size?
metabolic rate?
SA:volume
Structure and function of the vascular system in plants in dicotyledonous plants
roots
stems
leaves
Process of transpiration
Transpiration stream
adhesion
cohesion
Factors affecting transpiration
To include an appreciation that transpiration is a consequence of gaseous exchange.
Practical investigations to estimate transpiration rate; to include the use of a potometer.
Setting up a potometer
How to use a potometer
The transport of water into the plant, through the plant and to the air surrounding the leaves
apoplast pathway
symplast pathway
vacuolar pathway
Translocation
sources and sinks
active loading
Adaptations of plants to the availability of water in their environment
xerophytes (eg cacti and Marram grass)
hydrophytes (eg water lillies)
