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Fossils and Evolution

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'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. ... – PowerPoint PPT presentation

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Title: Fossils and Evolution


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
Whats 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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