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History of Life On Earth

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History of Life on Earth

History of Life on Earth. Chapter 25. Overview. First Cells Major Life events Fossil Record Geologic Time scale Mass extinctions Continental Drift. What was Early Earth like?. What do we really know about the first living organism??.

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Geologic History of Texas: The Making of Texas Over 1.5 Billion Years

Geologic History of Texas: The Making of Texas Over 1.5 Billion Years. # 4. Dr. Richard Kyle March 24, 2000.

791 views • 77 slides

Chapter 26

Chapter 26. The Tree of Life An Introduction to Biological Diversity. Overview: Changing Life on a Changing Earth Connection between Biological History and Geologic History. Life is a continuum Extending from the earliest organisms to the great variety of species that exist today.

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Chapter 26

Chapter 26. The Tree of Life: An Introduction to Biological Diversity. Concept 26.1: Conditions on early Earth made the origin of life possible. Chemical and physical processes on early Earth may have produced very simple cells through a sequence of stages:

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Chapter 26

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Chapter 26

Chapter 26. The Tree of Life An Introduction to Biological Diversity. Overview: Changing Life on a Changing Earth Life is a continuum, e xtending from the earliest organisms to the great variety of species that exist today. Earth formed about 4.6 Billion years ago.

447 views • 33 slides

Chapter 25

Chapter 25. The History of Life on Earth. Overview: Lost Worlds. Past organisms were very different from those now alive. The fossil record shows macroevolutionary changes over large time scales including The emergence of terrestrial vertebrates The origin of photosynthesis

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Chapter 26: The Tree of Life An Introduction to Biological Diversity

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Chapter 26: The Tree of Life An Introduction to Biological Diversity

345 views • 17 slides