Test 1 Notes - Introduction to Systematics

Test 1 Notes - Introduction to Systematics - Introduction...

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Introduction to Systematics Principles of Biology II GSU-Leege Systematics and Phylogeny:Uncovering patterns of evolution Classification of life's diversity Takes evolutionary relationships into account How shall we classify it? Systematics Systematics = anaytical approach to understanding diversity and relationships of organisms (present-day and extinct) Taxonomy: identification and classification of species (a part of systematics) Phylogenetics: classification based on evolutionary history Phylogenies based on Morphology (bone structure) Development (embryos) Biochemistry (DNA and other molecules) Records derived from living organisms fossils Taxonomy - employs the Linnaean system Carolus Linnaeus: 18th century Swedish botanist Contributions include Two part naming system (genus and specific epithet) Hierarchical classification wrote Systema Natura Before Linnean system Tradescantia ephemerum phalangoides tripetalum non
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Test 1 Notes - Introduction to Systematics - Introduction...

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