Chapter 2 - Ant 2511 Summer A08 Chap 02: THE DEVELOPMENT OF...

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Ant 2511 Summer A08 Chap 02: THE DEVELOPMENT OF EVOLUTIONARY THEORY Introduction 0. Today evolutionary theory stands as the most fundamental unifying force in biological sciences 1. Physical anthropology is concerned with with how humans adapt 2. The details of evolutionary process are crucial to the field 3. Because of central importance of evolution to biological anthropology, it is beneficial to know: 4. 1) How the mechanism of the process came to be discovered 5. 2) What social and political events influenced the discovery of evolutionary principles The Theory of Evolution 6. Evolution is one of most fundamental of biological processes 7. And one of most misunderstood 8. Recall a “theory” is a “hypotheses” tested and verified through accumulated evidence 9. And this theory is increasingly supported by genetic evidence Evolution and Physical Anthropology 10. Understanding the details of evolutionary processes is crucial 11. And it is beneficial to know how the mechanics of the process came to be discovered 12. Including the social and political context influencing the discovery of evolutionary Brief History of Evolutionary Thought 13. Scientific knowledge is usually gained by a series of small steps
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14. Eventually ideas developed that led Charles Darwin and Russel Wallace to independently develop the theory of evolution by natural selection 15. Natural selection is the critical mechanism of evolutinary change World View of Middle Ages 0. European world view was that nature – forms of life never changed 1. The most important influence was the powerful religious system in which teachings of Christianity were taken literally. Beliefs included: 2. 1 ) Fixity of species (life-forms couldn’t change) 3. 2) Brief existence of earth
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Chapter 2 - Ant 2511 Summer A08 Chap 02: THE DEVELOPMENT OF...

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