Question

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
​

Answer 1

Guard cells

Step-by-step explanation:

I'm doing the test right now.

Answer 2

Guard cells

Step-by-step explanation:

The guard cells are on either side of the stomata and control water loss and gas exchange by swelling to open the stomata and shrinking to close it. When open, gas exchange and water loss will occur. When closed, gas exchange and water loss does not occur.