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Speciation and the History of Life on Earth — Homework

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Speciation and the History of Life on Earth — Homework

Review the biological species concept and allopatric vs. sympatric speciation before answering.

  1. 1.State the biological species concept's definition of a species.
  2. 2.Name the type of speciation caused by a geographic barrier, and give an example of such a barrier.
  3. 3.Explain what must happen to two populations before they can become separate species.
  4. 4.Explain the connection between a mass extinction event and adaptive radiation.
  5. 5.Explain in three or four sentences why the biological species concept does not work well for extinct organisms known only from fossils.
🌲 Homeschool of the FutureNinth Grade · Science · week 28 homework