Chapter 26- Phylogeny and Systematics

Chapter 26- Phylogeny and Systematics - Chapter 26...

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Chapter 26 Phylogeny and Systematics 5 Kingdom Classification system in use through the late 1900s gave way to Woese’s 3 Domains and Multiple Kingdoms 5 Kingdom System 1. Monera 2. Protista 3. Plantae 4. Fungi 5. Animalia The three- domain system 1. Bacteria 2. Archae 3. Eukarya Multiple Kingdoms 1. Bacterial Kingdoms 2. Archaean Kingdoms 3. “Protistan” Kingdoms- eukaryotic unicellular organisms 4. Plantae- use photosynthesis, multi-cellular 5. Fungi- feed by absorption; eukaryotic multi-cellular 6. Animalia- eat by ingestion; multi-cellular Taxonomic Classification 1. Domain (most inclusive)-- Eukarya
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2. Kingdom- Animalia 3. Phylum- 4. Class 5. Order 6. Family 7. Genus- Panthera 8. Species (least inclusive) –Panthera pardus Taxon- the named taxonomic units at any level in this taxonomic hierarchy Panther = genus (uppercase for genus) pardus = specific epithet that refers to the genus Pathera (lowercase for species) Linnaeus convinced us to use a hierarchal classification system Darwin provided us with the mechanism by which evolution results in descent with modification Taxonomy- naming and classifying organisms Systematics- naming and classifying organisms according to their evolutionary relationships Phylogenetics- reconstructing the evolutionary relationships among
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Chapter 26- Phylogeny and Systematics - Chapter 26...

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