The function of pores is to allow the exchange of gases between the atmosphere and the plant. The function of guard cells is to open and close the stomata to regulate gas exchange. The function of the epidermal layer is to protect the plant from environmental stressors. The function of subsidiary cells is to support the guard cells.
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Answer:
The function of pores is to allow the exchange of gases between the atmosphere and the plant. The function of guard cells is to open and close the stomata to regulate gas exchange. The function of the epidermal layer is to protect the plant from environmental stressors. The function of subsidiary cells is to support the guard cells.