Question

The stoma on the underside of the leaf allows to move in and out of the leaf.

Answer 1

Answer:

Plants get the carbon dioxide they need from the air through their leaves. It moves by diffusion through small holes in the underside of the leaf called stomata . These let carbon dioxide reach the other cells in the leaf, and also let the oxygen produced in photosynthesis leave the leaf easily.

This is an adaptation to prevent excess water loss. Transpiration is the loss of water through stomata, so, more stomata are found on the lower surface to prevent excessive loss of water.

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Answer 2

Plants get the carbon dioxide they need from the air through their leaves. It moves by diffusion through small holes in the underside of the leaf called stomata . These let carbon dioxide reach the other cells in the leaf, and also let the oxygen produced in photosynthesis leave the leaf easily.

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