Campbell Biology 9th Ch. 26 Powerpoint
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