B: diffusion
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What is the main cause of water moving up to the leaves in xylem vessels?
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Which feature of root hairs suggests that they take up ions from the soil by active transport?
Natural selection plays a role in evolution. What describes features of natural selection that can affect evolution?
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The inheritance of the ABO blood groups in humans is controlled by three alleles (Iᴬ, Iᴮ and I⁰), only two of which c…