Biology 100 and 101
University of Illinois

Integrative Biology 100
Discussion Class, December 4-6
#14 Macro Evolution

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Learner Objectives

You should be able to:

  1. Distinguish between macroevolution and microevolution.

  2. Explain why evolution is considered both a fact and a scientific theory.

  3. Discuss the limitations of the biological species concept, and why a species definition is important.

  4. Explain the importance of geographic isolation in the formation of a species.

  5. Explain the concept of geographic isolation in terms of islands and barriers.

  6. Explain the different ways reproductive isolation can occur and provide examples.

  7. Explain how reproductive isolation is involved in the formation of a species.

  8. Distinguish among allopatric, parapatric, and sympatric speciation.

  9. Explain how speciation can occur within the same geographic region as the parental population (without geographic isolation).

  10. Describe what a phylogeny is.

  11. Know these terms and the relationships among them:

    12. species macroevolution natural selection
    geographic isolation reproductive isolation ecological isolation
    temporal isolation mechanical isolation behavioral isolation
    prezygotic reproductive isolation postzygotic reproductive isolation polyploid
    speciation theory hybridization
    adaptive radiation phylogeny mass extinction
    allopatric speciation parapatric speciation sympatric speciation

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