What Are Stomata?

Stomata is a small pore, tiny openings found on the epidermis of leaves and are located on the lower surface of leaves typically. These pores open and close depending upon the surrounding conditions of the environment. They help in the gaseous exchange during the photosynthesis and respiration processes. Closing and opening of stomata is possible with guard cells present in stomata which carry out this process by accumulating and draining out the water in them. 

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