Download What is the Pace of Speciation? 1. Explain how selection pressure

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What is the Pace of Speciation?
1. Explain how selection pressure and generation time can influence the pace of
speciation.
2. Briefly explain the controversy over the origin of new species through geological time.
3. Indicate what we would expect to see in the fossil record to support each of the
above two ideas (reading assignment #1).
4. Discuss the question: What role have mass extinctions played in speciation during
earth's history?