chapter 26 outline

chapter 26 outline - The Tree of Life Ch 26. 1. The...

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The Tree of Life Ch 26. 1. The organization and classification that we discussed in chapter 1 was meant to basically place organisms in an understandable order. a. Linnaeus gave organisms a two part name with a specific epithets (called Binomial nomenclature. b. The broad classifications that Linnaeus used included (from what look the most alike to the broadest association) i. Genera ii. Family iii. Orders iv. Classes v. Phyla vi. Kingdoms vii. Domains (this is modern) c. Linnaeus and others did not know this but their classifications can be linked broadly to phylogeny i. Systematists want to show evolutionary relationships 1. The phylogenetic tree a. Most recent common ancestor b. Node c. Polytomy d. Sister taxa ii. The phylogenetic tree can show, time, genetic change or just the pattern of descent. 2. When organisms are classified using both molecular and morphological data classical classification more closely relates phylogeny a. Organisms with similar morphologies and DNA sequences are more
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This note was uploaded on 10/19/2011 for the course BIOL 230 taught by Professor Case,c during the Spring '08 term at Skyline College.

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chapter 26 outline - The Tree of Life Ch 26. 1. The...

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