Question

Why is the number of stomata in leaves greater on the lower surface?

Answer 1

Answer:

All surfaces of the leaf have some amount of stomata for regulating gas exchange for photosynthesis. However, the lower epidermis (the underside of the leaf) has more, because it is more often in the shade and so it is cooler, which means evaporation won't take place as much.

Explanation:

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Answer 2

Answer:

because sunlight fall more on upper surface

Explanation:

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