Biology Ext

  1. What is a hypothesis? How is it different from a guess? What is a theory? (2 points)
  2. List three different examples that provide evidence in support of evolution and justify briefly your choices (1 point)
  3. Define homologous structure; provide an example to illustrate your definition. (1 point)
  4. What is the difference between genetic drift and gene flow? (1 point)
 
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