Introduction In the year 1961 in Romania had been found some written clay tablets, which proved to be the first in the world. In 1999, a study by the “Sarmizegetusa Regia”…

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Slide 1 Unit 3: Evolution Slide 2 How does the theory of evolution by natural selection demonstrate the scientific process? Science relies on evidence to explain observations…

Slide 1  Objective: Examine evidence to support the age of the Earth and the history of life.  1. Chapter 17 ◦ Study your notes every day ◦ Stop in for extra help…

Slide 1 Topic: Evidence for Macroevolution Macroevolution = evolutionary changes over long time spans involving many traits and large genetic changes. The derivation of a…

Finding Absolute Ages Using Radioactive Isotopes What is Absolute Dating? Age of fossil or rock is given in years instead of relative terms like before and after, early and…

History of Life on Earth January 12, 2009 What is the age of the Earth? 4,500 years old 4,500,000 years old 4,500,000,000 years old 4,500,000,000,000 years old Miller-Urey…

Slide 1 Unit 3: Evolution How does the theory of evolution by natural selection demonstrate the scientific process? Science relies on evidence to explain observations of…

Evolution in the Fossil Record Evolution of phenotype Evolution of diversity The Earth is Old The Geological Time Scale is Based Upon the Principles of Relative Dating Younger…