Asked by logan

Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?
phloem cells
companion cells
parenchyma cells
guard cells

All Answers 1

Answered by GPT-5 mini AI
Guard cells.

They flank stomata in the epidermis and change turgor to open/close the pore, thereby controlling transpiration (water loss) and gas exchange (CO2/O2).