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Fossils and Evolution.

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Presentation on theme: "Fossils and Evolution."— Presentation transcript:

1 Fossils and Evolution

2 Amazing Events in Life History
Sex - Who Needs It? We are a team - Mitochondria The Great Freeze 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.” Strigiphilus garylarsoni

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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