Stomata are usually opena. at night, when the plant requires a supply of oxygen.b. during the day, when the plant requires a supply of carbondioxide.c. day or night if there is excess water in the soil.d. during the day, when transpiration occurs.e. Both b and d are correct.

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A: Tracheids are the elongated cells in the xylem of vascular tissue that serve in the transport of…

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Q: the structure of the leaf

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Q: In response to high light intensity, which of the following is most likely expected in a shade plant…

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Q: Which of the following statements is/are false? A. Water is actively transported from source cells…

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Q: This is the location of the carbon fixation reactions in C4 plants.      Select one: a.  the…

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