What causes stomatal pores to open and close??

2007-10-29 13:15:42 · 2 answers · asked by M 3 in Science & Mathematics ➔ Botany

2 answers

1. Light. Plants that have CAM type photosynthesis, closes the stomata during the light period.
2. Water stress. When weter stress occure, stomatas will close.

2007-10-29 14:14:29 · answer #1 · answered by Tarik 4 · 0⤊ 0⤋

guard cells

2007-10-30 12:05:41 · answer #2 · answered by glenn t 7 · 0⤊ 0⤋

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