Biology, Eighth Edition (Raven)

Chapter 21: The Evidence for Evolution

Learning Outcomes

Chapter 21
  • Describe of evolutionary information the fossil record provides and how we know that it is reliable.
  • Explain how horses evolved from dog-size browsers to present fleet-footed grazers.
  • Explain why beak size in Darwin’s finches provides a classic example of evolution by natural selection.
  • Explain how industrial melanism can shift phenotypes within a population as a result of natural selection.
  • Recognize how artificial selection by humans results in evolutionary change.
  • Understand why studies of homology, development, imperfect structures and vestigial structures provide important information supporting evolution.
  • Explain how the molecular record provides evidence for evolution.
  • Describe and give examples of convergent evolution.
  • Understand why there is still public controversy regarding the teaching of evolution.
  • Understand the lines of scientific evidence that support evolution to be able to refute the arguments why evolution should not be taught in schools.
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe