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Chapter 8: Plant Transport - Coggle Diagram
Chapter 8: Plant Transport
Vascular Tissue
Xylem
Transport water and minerals from the roots to the stem and leaves
Phloem
Transport food materials made by the plants from photosynthesising leaves to non-photosynthesising regions in the roots and stem
Arranged throughout the roots, stem and leaves in groups called Vascular bundles
Water Uptake
Through Root hair cells by osmosis as soil water has a higher water potential than the cytoplasm in the root hair cells
Transpiration
Definition: loss of water vapour from plant leaves by evaporation of water at the surfaces of the mesophyll cells followed by diffusion of water vapour through the stomata
Factors affecting it:
Light,
Humidity,
Temperature,
Atmospheric pressure,
Wind speed or velocity.
Translocation
Definition: the movement of sugar produced in photosynthesis to all other parts of the plant for respiration
Factors affecting it: The rate of photosynthesis (which is affected by light intensity, CO2 concentration, temperature, etc.) The rate of cellular respiration