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Welcome to Evolution 101!

Welcome to Evolution 101!

What is evolution and how does it work? Evolution 101 provides the nuts-and-bolts on the patterns and mechanisms of evolution. You can explore the following sections:

  • An introduction to evolution - Evolution briefly defined and explained
  • The history of life: looking at the patterns How does evolution lead to the tree of life?
  • Mechanisms: the processes of evolution How does evolution work?
  • Microevolution - How does evolution work on a small scale?
  • Speciation - What are species anyway, and how do new ones evolve?
  • Macroevolution - How does evolution work on a grand scale? 
    The big issues - What are some of the big questions that evolutionary biologists are trying to answer?


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