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Unveiling Fossils and Evolution: Secrets of Life's Extraordinary Journey

Discover the incredible events in the evolution of life through fossils, mass extinctions, and the resilience of species. Explore the classification of dogs and humans and the intriguing world of kingdoms, superkingdoms, and domains.

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Unveiling Fossils and Evolution: Secrets of Life's Extraordinary Journey

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  1. Fossils and Evolution

  2. Amazing Events in Life History • Sex - Who Needs It? • We are a team - Mitochondria • The Great Freeze 900-600 m.y. ago • What survived and how? • Mass Extinctions • Dinosaurs = 4th worst • Permian extinction (220 m.y. ago) took out 90% of all species

  3. Mass Extinctions

  4. Classification of Dogs and Humans • Kingdom Animalia • Phylum Chordata • Class Mammalia • Order Carnivora (Dogs) Primates (Humans) • Family Canidae Hominidae • Genus Canis Homo • Species familiaris sapiens

  5. Strigiphilus garylarsoni “Actually, I considered this an extreme honor. Besides, I knew no one was going to write and ask to name a new species of swan after me. You have to grab these opportunities when they come along.”

  6. The Five Kingdom System • Animals • Plants • Protista (one-celled organisms) • Fungi • Bacteria* • Ediacaran Fossils? (ca. 700 m.y. ago)

  7. What’s Bigger Than a Kingdom? • Bacteria differ from all other kingdoms in lacking a cell nucleus • We need a bigger box • Superkingdoms or Domains • Monera (Bacteria) • Archaea • Eukarya (have cell nucleus) • Need electron microscopes and molecular biology to see differences

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