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Photosynthesis (1) What is photosynthesis? (need 3 things (water, CO2,…
Photosynthesis
1) What is photosynthesis?
process used by plants
to make food
glucose (=sugar)
1) growth
2) function
Heterotrophs
species that need to eat others for food
Autotrophs
species that can make their own food
need 3 things
water
CO2
sun
2) Where does it happen?
parts of a plant
2) stem
transport water upwards
xylem
water transporting tissue
3) leaves
absorb CO2
stoma
capture sunlight
chloroplast & chlorophyll
palisade & spongy cell
1) roots
absorb water from soil
3) Process
Chlorophyll
traps sunlight
store as chemical energy
splits water molecules
hydrogen & oxygen
output
glucose
oxygen
waste gas
helps us breathe
partnership