chapter 15 charles darwin was a “naturalist ”
TRANSCRIPT
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Chapter 15
Darwin’s Theory of Evolution
Charles Darwin was a “naturalist”
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15-1 The Puzzle of Life’s Diversity
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1. Voyage of the Beagle
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What is Evolution?
Discussion w/ Partner
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1. Evolution- the inherited change in organisms over time.
• Charles Darwin sailed around the world collecting specimens of fossils, living plants, and animals.
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2. Fossils- the imprints or remnants of organisms that lived a long time ago
3. After studying his specimens and other scientist information for decades Darwin concluded:a) All life organisms have a common
ancestorb) Organisms have descended w/
modification from their common ancestor
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4. Darwin observed traits of many plants and animals were different among the islands of the Galapagos.
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5. Darwin studied the specimen for years after he returned to England which allowed him to come to the conclusion that species change over time.