Identify the given diagram and answer the following :
a) Label part I ( one ) in the diagram .
b) Write its one function.
c) Identify part II (two) in the diagram .
d) What role does it play during the night time ?
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Epidermal is ☺☺
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1.epidermal cell
2.Stomata are pores in the plant epidermis that are surrounded by two guard cells, which control the opening and closing of the aperture. These guard cells are in turn surrounded by subsidiary cells which provide a supporting role for the guard cells.
3.stomatal pores
4.Carbon dioxide needed for photosynthesis is obtained through open plant stomata. At night, when sunlight is no longer available and photosynthesis is not occurring, stomata close. This closure prevents water from escaping through open pores.
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