Assertion: stoma's guard cell | /r/CapableOf | close the stoma
Facets:
value: in order to prevent excessive water loss
type: PURPOSE
Source sentences:
text: This hormone is transported from the root cells to the receptors on guard cells which in turn causes the guard cells to close the stoma in order to prevent excessive water loss.
text: The guard cells can change shape and close the stoma in order to prevent the loss of water vapor.
text: When water is scarce, the guard cell becomes limp again, closing the stoma and preserving water in the leaf