Question

As water passes into the guard cells, the pore opens. explain why.

Answer 1

Answer: guard cells are a pair of cells that surround each of the stoma openings. to open the cells, they have to be triggered by one of many possible environmental or chemical signals. these can include more sunlight or higher than normal levels of carbon dioxide within the cell.

Step-by-step explanation:

they open to regulate the gas and moisture exchange, hope that this is what you were looking for :)

Answer 2

Answer:One of the most important functions of guard cells is to control the closing and opening of the stoma/pores. While the opening of these pores allows water to be released into the environment, it also allows carbon dioxide to enter the cell for photosynthesis (as well as the release of oxygen into the environment).

Step-by-step explanation: