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Module Leaf
4
Structure
Can you remember the…read more

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Module
4 Diffusion in Leaves
DIFFUSION IS THE PASSIVE
NET MOVEMENT
OF PARTICLES FROM AN
AREA OF HIGHER CONCENTRATION
TO AN AREA
OF LOWER CONCENTRATION…read more

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Module
4 Osmosis
Osmosis is the NET movement of
water molecules across a partially
permeable membrane from a
region of higher water
concentration to a region of lower
water concentration…read more

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Module Water Flow Through
4
Plants
What does this diagram show?
a) Diffusion in a root hair cell
b) Osmosis in a root hair cell
c) Transpiration in a root hair cell…read more

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Module Water Flow Through
4
Plants
TRANSPIRATION IS THE LOSS OF WATER FROM THE PLANT
· Transpiration is caused by the ___________ and ___________ of water
from inside the leaves
· This creates a slight shortage of water in the leaf and so more
___________ is drawn up from the rest of the plant through the
___________ to replace it
· This means more water is drawn up from the roots, and so there's a
constant transpiration ___________ of water through the plant
The constant stream of water from the ground helps keep the plant cool.
It provides the plant with water for photosynthesis.
___________ can be brought in from the soil along with the water.
EVAPORATION DIFFUSION INSIDE XYLEM VESSELSSTREAM
WATER PHOTOSYNTHESES MINERALS…read more

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