Chapter 24 Review Questions               Bio Resource Page

 

  1. Define “biological species”
  2. What are prezygotic barriers and give 3 different examples of prezygotic barriers.
  3. Why aren’t a mule and a horse the same species?  What type of species barrier is shown in the horse and mule?
  4. What is alloptaric speciation?
  5. List 4 examples of geographic barriers that could lead to speciation
  6. What is sympatric speciation?
  7. T or F  Evolution is "goal oriented".
  8. How does punctuated equilibrium differ as a means of evolution compared to gradualism?

New York Times article on evidence for sympatric speciation