1. The Geological Time Scale4.6 Years of Earth History 2. What is the Earth’s time scale?• The Geological time scale is a record ofthe life forms and geological events…

Slide 1 First: Pop Quiz!! 1.What is my favorite element? Why? 2.What was Earth’s original atmosphere made of? What important molecule in the current atmosphere was almost…

Subphylum Vertebrata Superclass Agnatha (jawless vertebrates) Class Myxini Class Cephalaspidomorphi Superclass Gnathostomata (jawed vertebrates) Class Chondrichthyes Class…

Development of Life (continued) Stephen Eikenberry 28 January 2013 AST 2037 * Evolutionary Timeline 530 MYa â first footprint fossil found on land 505 Mya â first true…

Chapter 5 Macroevolution: Processes of Vertebrate and Mammalian Evolution Chapter Outline The Human Place in the Organic World Principles of Classification Definition of…

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Macroevolution: Processes of Vertebrate and Mammalian Evolution Chapter 5 How old is the human species? Darwinâs Dangerous idea @8:45 The Earth is 4.6 Billion years old…