cladistics
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Bio104 Laboratory ? Student?s Guide John Jay College, C.U.N.Y Lab #1 ? Page 1
Clade
Bio104 Laboratory ? Student?s Guide John Jay College, C.U.N.Y Lab #1 ? Page 1
Ap Biology Ch 25
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Chapter 25 Phylogeny and Systematics Overview: Investigating the Tree of Life This chapter describes how biologists trace phylogeny The evolutionary history of a species or group of related species Biologists draw on the fossil record Which provides information about ancient organisms Figure 25.1 Biologists also use systematics As an analytical approach to understanding the diversity and relationships of organisms, both present-day and extinct Currently, systematists use Morphological, biochemical, and molecular comparisons to infer evolutionary relationships Figure 25.2 Concept 25.1: Phylogenies are based on common ancestries inferred from fossil, morphological, and molecular evidence The Fossil Record Sedimentary rocks Are the richest source of fossils
Campbell Biology 9th Ch. 26 Powerpoint
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Phylogeny and the Tree of Life Chapter 26 Overview: Investigating the Tree of Life Legless lizards have evolved independently in several different groups ? 2011 Pearson Education, Inc. Figure 26.1 Phylogeny is the evolutionary history of a species or group of related species The discipline of systematics classifies organisms and determines their evolutionary relationships Systematists use fossil, molecular, and genetic data to infer evolutionary relationships ? 2011 Pearson Education, Inc. Concept 26.1: Phylogenies show evolutionary relationships Taxonomy is the ordered division and naming of organisms ? 2011 Pearson Education, Inc. Binomial Nomenclature In the 18th century, Carolus Linnaeus published a system of taxonomy based on resemblances
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