Hand-made digital notes and diagrams on the entirety of Transport in Plants 2
Topic written spec-by-spec point to ensure all content is covered
Compatible with all exam boards but predominantly CIE
plan diagrams of transverse sections of stems roots and leaves of herbaceous dicotyledonous
1- Draw ,
plants from www.hope slides and photomicrographs ☒ cot STEM
DI LOT
Root
1
Dvor
LEAF
,2. Describe the distribution
of xylem
and
phloem in transverse sections
of stems
,
room and leaves
of herbaceous dint plants
Xylem &Phloem in roots
Xylem &Phloem in stem
→
found in centre
the
→ located around the outside
help roots withstand
→ with
xylem
tissire closest
minarets
putting
strains
they are
subjected .
to the
plant transports water as → help support the plant
upwards and grows
Xylem & Phloem in leaves
→
form the midrib and veins
→
spread leaf horizontally
across
→
xylem
tissue on
upperside
to
closer
upper epidermis
3. Draw and label
xylem vessel elements phloem nine tube elements and companion cells from nninswpe
,
shivs ,
photomicrographs and micrograph
electron .
The
fruition of phloem tissue in a
plant is to
→
transport organic compounds (normally sunrise) from the
Sonne Clea to sink Coors)
f) .
→
organic compounds
dissolved in water to
form sap
Phloem is a
complex tissue made
up of
:
→
element
Steine tube element sieve tune
and companion
1- companion on an → spine tube elements
frommen longitudinal
↳ main
conducting cells
→ companion aus
→
parenchyma
yn
I phaomunjmpn
↳ store t
strengthen fibres
microscope
cells
→
wiring
↳ unlike xylem tissue
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