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Below are the previews for the slide in Topic 6 - Plant structures and their functions. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.

Powerpoint Description:

This slideshow covers: the role of plants in food chains, photosynthesis and what it needs, photosynthesis equations, limiting factors, light intensity and how it affects photosynthesis, root hair cells and how they are adapted, xylem and phloem, transpiration, leaf structure and how it is adapted for photosynthesis, guard cells and stomata, transpiration rate and how to measure it, controlling water loss through the stomata, plants in extreme environments, plant hormones, the use of auxin, ethene and gibberellins in plant growth.

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