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Unit 1:
Ch. 1
Ch. 2
Ch. 3
Interlude A
Unit 2:
Ch. 4
Ch. 5
Ch. 6
Ch. 7
Ch. 8
Ch. 9
Interlude B
Unit 3:
Ch. 10
Ch. 11
Ch. 12
Ch. 13
Ch. 14
Ch. 15
Interlude C
Unit 4:
Ch. 16
Ch. 17
Ch. 18
Ch. 19
Interlude D
Unit 5:
Ch. 20
Ch. 21
Ch. 22
Ch. 23
Ch. 24
Ch. 25
Ch. 26
Ch. 27
Ch. 28
Ch. 29
Ch. 30
Interlude E
Unit 6:
Ch. 31
Ch. 32
Interlude F
Unit 7:
Ch. 33
Ch. 34
Ch. 35
Ch. 36
Ch. 37
Ch. 38
Interlude G
The animations require the latest Flash 7 and Shockwave plug-ins.
31.1: Activity: How plants are built

Test your recall for figure 31.2 with this key figure labeling exercise.

31.2: Activity: How plants regulate water loss
ThumbnailUse this interactive simulation to explore how light, water availability, and the internal carbon dioxide concentrations affect the opening and closing of guard cells.

31.3: Activity: Identify the parts of the vascular system of a plant

Test your recall for figure 31.5 with this key figure labeling exercise.

31.4: Activity: Leaf structure

Test your recall for figure 31.9 with this key figure labeling exercise.

31.5: Tutorial: Pressure flow in plants

This tutorial examines how plants use water pressure to transport sugar in phloem tissue from the leaves, where it is produced, to parts of the plant that consume sugar.

31.6: Tutorial: Transport in xylem tissue

This tutorial explores how plants move water and dissolved mineral nutrients in xylem tissue.

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