Plants cannot take in the carbon dioxide they need for photosynthesis The stomatal opening, also known as the stomata, is an aperture surrounded by guard cells. Guard cells are an epidermal cell type.
Guard cells are specialized cells that control the opening and shutting of stomata. The turgor pressure in the guard cells regulates their opening and closing. Stomatal pores open when guard cells expand due to water absorption and close when guard cells contract.
Stomata are tiny openings found in plant leaves. Specialized cells known as guard cells surround the stomata and open and close the openings. When it is very hot, plants may close their stomata to prevent water loss. When plants close their stomata, they will prevent water loss but photosynthesis might be affected.
Plants open and close their stomata for the exchange of oxygen and carbon dioxide during photosynthesis.
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