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plants structure (leaves (structure (mesophyll (spongy layer, greener on…
plants structure
leaves
structure
thin - help get CO2 from bottom to top of leaf for photosynthesis
wide - help to catch more light energy
wax cuticle
upper epidermis
mesophyll
spongy layer
greener on top (most chlorophyll)
palisade layer
lower epidermis
stoma
2 guard cells
palisade
features
box shape; chloroplasts
function
photosynthesis
position
upper surface of leaf
function
producing sugar from photosynthesis
exchange of gases （CO2&O2）
trap light energy for photosynthesis
roots
function
absorb water nad minerals
specialised cells to increase surface area for water intake
root hairs
hold plant in position
structure
root hairs
stem