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Blinn College Department of Physics Life in the Universe Chapter 23 1 Cosmic Evolution What is LIFE? Not so easy to answer, especially if we allow for types of life that…

Documents Exploring Evolution

Exploring Evolution Michael Alan Park Chapter 6 What does the pageant of life look like? A (very) brief history of life on Earth About 5 billion years ago, when the expanding…

Documents Exploring Evolution

Exploring evolution Michael Alan Park Chapter 6 What does the pageant of life look like? A (very) brief history of life on Earth About 5 billion years ago, when the expanding…

Documents A Brief History of Life on Earth

A Brief History of Life on Earth Geology Today Chapter 15 Barbara W. Murck and Brian J. Skinner N. Lindsley-Griffin, 1999 Horned dinosaurs, 70 m.y. ago Mark Marcuson; Nebraska…