To allow for the exchange of gases in and out of the plant.
The structure of a plant that regulates the intake of the substances needed for photosynthesis to occur is the stomates. Stomates are microscopic round openings on the back of a leaf. around the stomates are guards that kind of act as lips controlling how far the stomates need to be opened.
No
cause they are
There are no stomates on the stem of the plant.
no opne knows they wont teach it in school.
cuz yoo
Oxygen
for the exchange of gases (carbon dioxide and oxygen)
P. J Kavanagh has written: 'One and opne'
Stomates =] ♥
the stomata's allows the exchange of carbon dioxide or CO2
true :)