Question

Question: these openings in rhe plant body open and close regularly due to the change in the internal and external conditions
PS: see image​

Answer 1

Answer:

Stomach is the answer

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Answer 2

Answer:

c is the answer as stomata have guard cell which show exosmosis to cause stomata to close as cell become flaccid

while when it show endosmosis these cell become turgid hence stomata opened.