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L10 ch 37&38 - Lecture 10 Chapter 37 38(pp 808-821...

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Lecture 10: Chapter 37 & 38 (pp. 808-821) Lecture Guide .Plant Nutrition & Transport Levels of Biological Organization in Plants Terms Sugar mycorrhizae H 2 O xylem CO 2 phloem Light stomata K + minerals NO3 - vascular tissue Ca2 + Rhizobium 1
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Lecture 10: Chapter 37 & 38 (pp. 808-821) Lecture Guide Introduction The algal ancestors of plants were aquatic Becoming terrestrial meant changes in the plant body A new problem: the need to transport materials between roots and shoots. roots and shoots Three Levels of Plant Transport 1. the uptake and loss of water and solutes by individual cells 2. short-distance transport of substances from cell to cell at the level of tissues or organs 3. long-distance transport of sap within xylem and phloem at the level of the whole plant Three Major Transport Routes: Uptake of water and minerals__________________________ 2
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Lecture 10: Chapter 37 & 38 (pp. 808-821) Lecture Guide Transpiration Definition: the loss of water vapor from leaves causes xylem sap to rise against gravity, without the help of any
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