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Macroevolution
Problems
Problem 2.1:
List all of the mass extinctions and when the occurred.
[Solution]
Problem 2.2:
List all of the mass extinctions and when the occurred.
[Solution]
Problem 2.3:
What were the earliest forms of life and how long did they exist alone on earth?
[Solution]
Problem 2.4:
What forms of life were among the first to colonize the land and when did this
occur?
[Solution]
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