Question 8 (1 point)

Opening and closing the ________ is a plant's most important means of regulating water loss.

A. cell nucleus
B. chloroplast
C. mitochondria
D. vascular bundle
E. stomata



Answer :

Final answer:

Plants control water loss through the opening and closing of stomata to balance photosynthesis and water loss.


Explanation:

Regulation of transpiration in plants is primarily achieved through the opening and closing of stomata on the leaf surface. Stomata are surrounded by two specialized cells called guard cells which open and close in response to various environmental cues, such as light intensity, leaf water status, and carbon dioxide concentrations. The balance between efficient photosynthesis and water loss is crucial for plant survival.


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