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==Key Stage 1=====Meaning===
'''Photosynthesis''' is how [[plant|plants]] make their own food.
==Key Stage 2=====Meaning===
'''Photosynthesis''' is a process that [[plant|plants]] use make their own food using the sunlight.
===About Photosynthesis===: [[Photosynthesis]] is what makes plants [[producer]]s as they are able to make their own food.: Without sunlight [[plant]]s cannot do [[photosynthesis]].: [[Plant]]s cannot survive for very long without sunlight or they will run out of food. ==Key Stage 3=====Meaning==='''Photosynthesis''' is the process that takes place in the [[Chloroplast|chloroplasts]] in [[Plant Cell|plant cellscell]] s which uses [[Carbon Dioxide]] and [[Water]] to produce [[Glucose]] and [[Oxygen]] using the [[energy]] [[Transfer|transferred]] to the [[organism]] by sunlight. :<ref name = "Whitmarsh_1999">{{cite book | veditors = Singhal GS, Renger G, Sopory SK, Irrgang KD, Govindjee | title = Concepts in Photobiology: Photosynthesis and Photomorphogenesis | chapter = Chapter 2: The Basic Photosynthetic Process | vauthors = Whitmarsh J, Govindjee | year = 1999 | publisher = Kluwer Academic Publishers | location = Boston | isbn = 978-0-7923-5519-9 | chapterurl = https://books.google.com/books?id=dqSuoOtDM1cC&lpg=PA13&dq=photosynthesis%20reaction%20equation%20generalized&pg=PA13#v=onepage&q=photosynthesis%20reaction%20equation%20generalized&f=false | page = 13 }}</ref>: {{underset|carbon<br/>dioxide|CO<sub>2</sub>}} + {{underset|electron donor|2H<sub>2</sub>A}} + {{underset|light energy|[[photons]]}} → {{underset|[[carbohydrate]]|[​CH<sub>2</sub>O​]}} + {{underset|oxidized<br/>electron<br/>donor|2A}} + {{underset|water|H<sub>2</sub>O}}