Evolution Mechanisms

  1. Go to the following site: http://evolution.berkeley.edu/evosite/evo101/IIIMechanisms.shtml
  2. Read about the various mechanisms of evolution.  Be sure to click each link on the left-hand side of each page so that you see all the examples.
  3. Pay particular attention to the following terms/concepts: natural selection, genetic drift, causes & types of mutations, HOX genes, bottleneck, founder effect, fitness, misconceptions about natural selection, coevolution
  4. Take the ‘quick quiz’ at the end
  5. Read the ‘Pace of Evolution’ subsection under the ‘Big Issues’ section to understand punctuated equilibrium vs. gradualism (http://evolution.berkeley.edu/evosite/evo101/VIIAPaceevolution.shtml)
  6. Also be sure to understand the term ‘niche’