In depth revision notes covering the whole of transport in plants. The topic is broken down into the individual specification points, shown by the numbers used throughout.
, TRANSPORT IN PLANTS
surface area : volume : small plants absorb all the
nutrients they need directly from their environment
,
Large plants don't have a big enough SA to take
in what they need .
So , vascular plants have
&
specialised tissues nutrients
for .transporting water
plants are big so they have a higher metabolic
.
,
substances by direct diffusion
rate So exchanging
would be too slow to meet their metabolic needs
.
So they
,
need transport systems to move substances
to + from als &
O
on the
Inside
to provide Xyreu
additional -
tissue is
Support zO
strongest so
stemt
It's in the
endodermis
=
centre
=
veni
& auer Of
: meristen als
your
here that forms
on top of O
phloem zie pericyclic
S
S
only apples
to
dicotyledonous plants
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