A. Direct Evidence B. Indirect Evidence. Visible evidence that takes us back in time and shows organisms have changed Ex. – Fossils.
Chapter 17: The History of Life Calif. Science standards 8e.
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End Show Slide 1 of 40 Copyright Pearson Prentice Hall Outine 17-1: The Fossil Record.
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BIG IDEA 15: DIVERSITY AND EVOLUTION OF LIVING ORGANISMS Description A. The scientific theory of evolution is the organizing principle of life science.
The History of Life Chapter 12. Fossils and Ancient Life A fossil is the preserved remains or evidence of an ancient organism Scientists who study fossils.
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How do scientists know evolution has occurred?. Paleontologists: scientists who study fossils Geologists: scientists who study rock layers.
Evidence of Evolution
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Chapter 17 THE HISTORY OF LIFE
