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Week13_Guide - Week 13 Guide for Independent Learning As...

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Week 13 Guide for Independent Learning As you read Ch. 26, formulate answers to these questions. 1. Distinguish between phylogeny and systematics. 2. Describe the process of sedimentation and the formation of fossils. Explain which portions of organisms are most likely to fossilize. 3. Explain why it is crucial to distinguish between homology and analogy before selecting characters to use in the reconstruction of phylogeny. 4. Explain why bird and bat wings are homologous as vertebrate forelimbs but analogous as wings. 5. Define molecular systematics. Explain some of the problems that systematists may face in carrying out molecular comparisons of nucleic acids. 6. Explain the following characteristics of the Linnaean system of classification: a. binomial nomenclature b. hierarchical classification 7. List the major taxonomic categories from most to least inclusive. 8. Define a clade. Distinguish between a monophyletic clade and paraphyletic and polyphyletic groupings of species. 9. Distinguish between shared primitive characters and shared derived characters.
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