Biology 17.4

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Biology 17.4

  1. 1. 17-4 Patterns of Evolution<br />
  2. 2. Macroevolution<br />Large-scale evolutionary changes that take place over long periods of time.<br />
  3. 3. Adaptive Radiation<br />Process by which a single species or small group of species evolves into several different forms that live in different ways; rapid growth in the diversity of a group of organisms.<br />
  4. 4. Convergent Evolution<br />Process by which unrelated organisms independently evolve similarities when adapting to similar environments.<br />
  5. 5. Coevolution<br />Process by which two species evolve in response to changes in each other.<br />
  6. 6. Punctuated Equilibrium<br />Pattern of evolution in which long stable periods are interrupted by brief periods of more rapid change.<br />
  7. 7. Key Concept<br />Six important topics in macroevolution are extinction, adaptive radiation, convergent evolution, coevolution, punctuated equilibrium, and changes in developmental genes<br />

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