Download - Biology
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BiologyThe Living Science
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Chapter 10
• A Daring Voyage.
– Evolution – a collection of facts, observations, and hypothesis about the history of life.
– Evolution means a change over a period of time.
– In late December 1831, the research ship HMS Beagle set sail from England for a five-year cruise around the world.
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Pieces of the Puzzle
• Wherever then beagle went, Darwin collected plants and animal specimens.
• Living Diversity
– Darwin called the variety of living things the diversity of life, or living things the diversity.
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Plants and Animals
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Fossil Diversity
• Darwin collected bones and other traces of ancient organisms.
– Since Darwin’s time researchers have uncovered the fossilized remains of many more unusual creatures.
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Fossils
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Adaptations
• Adaptation – are found at every level of biology – from cell chemistry to animal behavior.
• Biologist use the world adaptation to describe physical behavioral traits that enable organisms to survive.
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The Galapagos Islands
• The Beagle visited so many different places that the captain’s log filled several books.– Peculiar Creations – Darwin fascinated by the
Galapagos wildlife, especially land tortoises and marine iguanas.
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Island