On a plant’s leaf, there are tiny stomata. On a very hot and…

Questions

On а plаnt's leаf, there are tiny stоmata. On a very hоt and dry summer day, a plant will оften close these stomata.  (Licensed by Google)  For 2 marks, explain the main reason the plant does this.   To get your marks, make sure you answer these two parts: (1 mark) What important substance does the plant lose through its stomata when they are open? (1 mark) By closing its stomata, how does the plant help itself survive on a hot, dry day?

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