Lecture 24 - Microevolution and Speciation - Friday, May 25

First Edition - pages 187 to 194, 207 to 215.

Second Edition - pages 185 to 192, 205 to 213.

Third Edition - pages 219 to 232.

YouTube introduction to lecture (optional) (Audio - Important):

Please click on and read each topic. At the end of each topic there is also a direct link to the following topic.

• Microevolution
  • The Theory of Natural Selection
  • Directional Selection
  • Stabilizing Selection
  • Disruptive Selection
  • Sexual Selection
  • Balanced Polymorphism
  • Gene Flow
  • Genetic Drift
  • Bottleneck Effect
  • Founder Effect
  • Inbreeding

• Biological Species Concept
• Reproductive Isolating Mechanisms
  • Prezygotic Isolation
  • Postzygotic Isolation
• Mechanisms of Speciation
  • Allopatric Speciation
  • Sympatric Speciation
  • Parapatric Speciation
  • Branching and Unbranched Evolution

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