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What happens to a C3 plant when the conditions are hot and dry?
They open their stomata.
They close their stomata.
They trap CO2 inside the cells.
They trap O2 inside the cells.



Answer :

GinnyAnswer

Final answer:

C3 plants close their stomata in hot and dry conditions, affecting their carbon dioxide intake and sugar production.


Explanation:

C3 plants respond to hot and dry conditions by closing their stomata to prevent water loss, resulting in a shortage of CO2. This closure hinders the entry of CO2 needed for photosynthesis, impacting their ability to produce sugars efficiently. In contrast, C4 and CAM plants have evolved alternative pathways to fix carbon in such conditions.


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