Answer:
The correct answer is "maintain homeostasis".
Explanation:
Homeostasis is a concept used in science to refer to the propensity to have a constant internal environment within an organism. The plants maintain its water homeostasis in the along the whole plant by the dotted opening in its leaves known as stomata. By allowing the exchange of gases through stomata, the plant regulate how much water is presented in the roots and in the plant's body, maintaining an internal environment within the whole organism.