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Class 14a: Biogeography

Class 14a: Biogeography. Biogeography. What is the range of a species? Why does it have that range? So what?. Evolutionary development. Darwin’s theory of natural selection. Migration or dispersal. Extinction. Environment may change faster than evolution. Competition and cooperation.

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Class 14a: Biogeography

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  1. Class 14a: Biogeography

  2. Biogeography • What is the range of a species? • Why does it have that range? • So what?

  3. Evolutionary development • Darwin’s theory of natural selection

  4. Migration or dispersal

  5. Extinction • Environment may change faster than evolution

  6. Competition and cooperation

  7. Competition and cooperation

  8. Plant basics

  9. Plant adaptations • Xerophytic adaptations: for dry conditions

  10. Plant adaptations • Hygrophytic adaptations: for wet conditions

  11. Plant biogeography • Succession and climax vegetation

  12. Plant biogeography • Forests: • Woodlands: • Shrublands: • Grasslands:

  13. Plant biogeography • Deserts: • Tundra: • Wetlands: • Vertical zonation:

  14. Plant biogeography • Microclimates • Riparian

  15. Animal basics • What’s an animal?

  16. Animal adaptations: physiology

  17. Animal adaptations: behavior

  18. Animal biogeography

  19. Wallace Line • Based on plate tectonics, ice ages • Alfred Russel Wallace (1860s)

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