Is there any advantage to a leaf in having palisade mesophyll on the upper half and spongy mesophyll on the lower half?

Prepare an audio presentation of 1-2 minutes in length. You may use any tool to make your audio recording. Be sure to include the following:

The audio presentation should be less than two minutes long. If you’d prefer to create a video presentation, this is acceptable as well.

Along with the audio, you need to include a written transcriipt of your presentation. This can be copy/pasted into the body of your discussion board post.

You should also include a list of any references used in your post and audio presentation, using APA.

Question:
Waterlogging can be an environmental stress for crop production in areas like along the Yangtze River in China. What is waterlogging (Links to an external site.)? Can it be found in the United States? What effect might it have on mesophyll cells? The mesophyll is the name given to second layers of cells inside the plant’s leaves located right under the epidermis. Is there any advantage to a leaf in having palisade mesophyll on the upper half and spongy mesophyll on the lower half?

No need to provide the audio I can do that part myself. Thanks!

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