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Determining Evolutionary Relationships

17 November, 2015 - 10:47

Learning Objectives

By the end of this section, you will be able to:

  • Compare homologous and analogous traits
  • Discuss the purpose of cladistics

Scientists collect information that allows them to make evolutionary connections between organisms. Similar to detective work, scientists must use evidence to uncover the facts. In the case of phylogeny, evolutionary investigations focus on two types of evidence: morphologic (form and function) and genetic.