Ecology homework help

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Problem 4 (40 pts). Write at least ½ page for each answer

  1. Describe changes of the global environment in the past that affected the evolution of life (10 pts)
  2. What traits are common for most domesticated species? (10 pts)
  3. Why are small populations more likely to go extinct? (10 pts)
  4. Compare and the effects of selection, random genetic drift and gene flow on genetic diversity within and among populations. You can use PopG for illustration (10 pts)