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Last updated:

April 12, 2022

Duration:

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FREE

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Description

This course, An introduction to biological systematics, is concerned with macroevolution the patterns and processes of evolution above the species level

A crucial consideration in macroevolutionary studies is that of the evolutionary relationships (phylogeny) of the organisms in question. The course begins with an introduction to the scope of macroevolutionary studies and illustrates methods of reconstructing phylogeny, from both morphological and molecular data.

Course learning outcomes

After studying this course, you should be able to:

  • Understand the patterns and processes of evolution above the species level
  • Appreciate the differences between the three methods of phylogenetic analysis: evolutionary systematics, phenetics, cladistics.

Course Curriculum

  • Introduction 00:07:00
  • Learning outcomes 00:05:00
    • Introduction 00:10:00
    • Taxa and relationships 00:15:00
    • Relationships between species 00:10:00
    • Grades and clades 00:15:00
    • Clades and mammals 00:15:00
    • Clades and reptiles 00:15:00
    • Homologies 00:15:00
    • Introduction 00:15:00
    • Darwin, Linnaeus and Simpson 00:15:00
    • What does relationship mean in systematics? G.G. Simpson 00:10:00
    • What does relationship mean in systematics? E. Mayr 00:10:00
    • What does relationship mean in systematics? W. Hennig 00:10:00
    • Three schools of classification 00:15:00
    • Inferring relationships of common ancestry 00:10:00
    • Systematic hierarchy 00:10:00
    • Conflicting morphological characters 00:10:00
    • Chimps, gorillas and humans 00:10:00
    • Consequences of human / chimp pairing 00:10:00
    • Translating a cladogram into a classification 00:10:00
    • Systematics and biogeography 00:10:00
    • Summing up 00:07:00
    • Conclusion 00:03:00

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