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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.
19.1: Activity: The history of life on Earth

Match the period to its major event.

19.2: Activity: The history of life, part I

Identify the major event for each geologic period.

19.3: Activity: The history of life, part II

Test your recall for figure 19.3 with this key figure labeling exercise.

19.4: Activity: Continental drift
ThumbnailVisualize the breakup of the supercontinent Pangea, and the subsequent movement of the continents to their present locations

19.5: Tutorial: The causes of continental drift
Thumbnail

This tutorial explores the reasons why the plates of solid matter that form Earth's continents move over time.

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