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Questions and Answers
What is the major process by which transport of materials occurs in single-celled organisms and simple multicellular plants?
Why can't diffusion alone meet the requirements of transport in higher plants?
Which tissues in higher plants are responsible for the transport of water, minerals, and sugar?
How does the upward movement of water and minerals occur in higher plants?
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Which type of transport primarily moves water and minerals from roots upwards in higher plants?
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Where does the movement of food material synthesized in the leaves occur in multicellular plants?
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What do xylem and phloem tissues mainly comprise in higher plants?
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Why is active transport necessary for the movement of materials in higher plants?
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