Human,increase population and Overharvesting
I would say B) <span>The shoot is positively phototropic and negatively gravitropic; the root is positively gravitropic and negatively phototropic.
This is because the shoot of the plant is attracted towards the sun, as the chloroplasts in the leaves need sunlight to make food. As well, the roots are attracted downward to absorb more water and minerals from the sun.
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The molecule is formed from glucose, which fits together nicely and becomes sturdy. It relates to the function of the cellulose model because it aids in strength and structural support.
