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Water Movement

Water Movement . Through Plants. H. H. O. Water is necessary for plant survival . 2. H. H. O. moves from soil through roots. contains mineral nutrients necessary for plants to thrive. 3. H. H. O. continues in a continuous column. roots  stem. stem  leaf. evaporates

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Water Movement

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  1. Water Movement Through Plants

  2. H H O Water is necessary for plant survival. 2

  3. H H O moves from soil through roots contains mineral nutrients necessary for plants to thrive 3

  4. H H O continues in a continuous column roots  stem stem  leaf evaporates through stomata 4

  5. H H O roots  stem stem  leaf evaporates through stomata 5

  6. stomata 6

  7. The evaporation of water from leaves through the stomates is transpiration. 7

  8. How is transpiration affected by deforestation in the tropical rainforests?

  9. Where the tropical rain forests of the world are concerned, clearing 27 million acres/year to create grazing land for cattle has a serious impact on the worldwide weather pattern. Therefore, when these plants are removed, the amount of water they release to the atmosphere is also removed.

  10. xylem xylem xylem Water moves up a continuous column of hollow cells called xylem xylem. Xylem tissue runs continuously from roots  stems  leaves. 10

  11. Cohesion and adhesion are two of several factors that help regulate the movement of water through a plant. 11

  12. + + + + H H H H O O _ _ + H + _ O + _ H O H _ H O + H O + H _ H + + H + Because a water molecule is polar, it can attract like and unlike molecules. Water sticking to water iscohesion,the attraction of like molecules to each other. cohesion,the attraction of like molecules to each other. 12

  13. The strong attraction water molecules have to each other (cohesion) and to the walls of xylem tubes (adhesion) results in a process called capillary action. 13

  14. Capillary action and transpiration are two of the processes needed to keep water moving through a plant. 14

  15. Review

  16. What will happen when one end of a dry string is put in a beaker with water and the other end is put in an empty beaker? cohesion Water sticking to water is _______. adhesion Water sticking to string is _______. 16

  17. Identify this process. What is the purpose of this process? 17

  18. xylem xylem xylem What two forces are involved in this process? What is this process called? 18

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