Which surface has the most stomata?
Take a fresh, green leaf. Push the leaf into some warm water. Watch carefully
to see where air bubbles appear on the leaf surface.
Questions
A1 On which surface of the leaf did most bubbles appear?
A2 The bubbles contained gas that came out from inside the leaf.
Which part of the leaf do you think the gas came from? (Look at
the diagram of the inside of the leaf above.)
A3 Suggest how the gas got out of the leaf.
A4 Use what you know about the effect of heat on gases to expķlain why
the gases came out of the leaf when it was put into warm water.
Answers
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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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