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Transport in Plants - Coggle Diagram
Transport in Plants
Water loss and plant adaptations
Stomata
Function
CO₂ uptake
→ Affect
water vapor loss
Xerophytes
Allows
adapted to dry environments
Trough
deep roots, water storage stems, spines instead of leaves
Hydrophytes
Allows
adapted to aquatic environments
Through
stomata on upper surface, thin cuticle, air spaces (aerenchyma)
Transpiration
Definition
loss of water vapor from leaves via stomata
Water movement steps:
1.
Evaporation from mesophyll cells
2.
Diffusion of water vapor out through stomata
3.
Replacement by water from xylem
4.
Uptake by roots through osmosis
Transport systems in plants
by
Phloem
Transport Amino acids and Sucrose
Direction of the flow can vary due to season
Xylem
Transports water and minerals from roots to the leaves
movement through transpiration stream
Taking water and minerals
with
roots
absorb via Root hair cells
water and mineral ions from soil solution
Mineral ions uptake through
diffusion or active transport (against gradient)
requires energy from respiration
Factors affecting ion uptake
depend on oxygen availability and temperature