Assertion: cactus | /r/CapableOf | evolve to open its stomata
Facets:
value: during the night
type: TEMPORAL
Source sentences:
text: When the stomata are open the plant will lose vast amounts of water over a short space of time, to combat this, the cactus has evolved to open its stomata during the night and keep them closed during the day, and this helps to dramatically reduce water loss.