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Phylogeny and the Tree of Life

Chapter 26. Phylogeny and the Tree of Life. © 2011 Pearson Education, Inc. Phylogeny is the evolutionary history of a species or group of related species Phylogenies show evolutionary relationships. Figure 26.2. Lumbricus terrestris Panthera leo Canis lupis Canis domesticus.

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Phylogeny and the Tree of Life

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  1. Chapter 26 Phylogeny and the Tree of Life

  2. © 2011 Pearson Education, Inc. • Phylogeny is the evolutionary history of a species or group of related species • Phylogenies show evolutionary relationships

  3. Figure 26.2

  4. Lumbricus terrestris Panthera leo Canis lupis Canis domesticus © 2011 Pearson Education, Inc. Binomial Nomenclature

  5. Figure 26.3 Species: Panthera pardus Genus: Panthera Family: Felidae Order: Carnivora Class: Mammalia Phylum: Chordata Kingdom: Animalia Domain: Bacteria Domain: Archaea Domain: Eukarya

  6. Order Family Genus Species Figure 26.4 Panthera pardus (leopard) Felidae Panthera Taxidea taxus (American badger) Taxidea Carnivora Mustelidae Lutra lutra (European otter) Lutra Canis latrans (coyote) Canidae Canis Canis lupus (gray wolf)

  7. © 2011 Pearson Education, Inc. From Two Kingdoms to Three Domains • The tree of life suggests that eukaryotes and archaea are more closely related to each other than to bacteria

  8. Eukarya Figure 26.21 Land plants Dinoflagellates Forams Green algae Diatoms Ciliates Red algae Amoebas Cellular slime molds Euglena Trypanosomes Animals Leishmania Fungi Green nonsulfur bacteria Sulfolobus Thermophiles (Mitochondrion) Spirochetes Chlamydia Halophiles COMMON ANCESTOR OF ALL LIFE Green sulfur bacteria Bacteria Methanobacterium Cyanobacteria Archaea (Plastids, including chloroplasts)

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