stomata opens and closes
asked Nov 8, 2012 by anonymous

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2 Answers

Most plants require the stomata to be open during daytime in response to changing conditions, such as light intensity, humidity, carbon dioxide concentration.They also detect pathogens.

answered Nov 8, 2012 by anonymous
answered Oct 8, 2015 by ASAI GERALD Level 1 user (180 points)
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