BIO152H5 Chapter Notes - Chapter 22: Great Chain Of Being, Aristotle, Selective Breeding

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9 Dec 2016
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Chapter 22: decent with modification: a darwinian view of life. Observation about life: the striking ways in which organisms are suited for life in their environments, the many shared characteristics (unity of life, the rich diversity of life. A pattern pattern of evolutionary changed is revealed by data from a range of scientific disciplines including bio, geology, physics & chem. A process consists of mechanisms that produce the observed pattern of change. Darwinian revolution challenged traditional views of a young earth inhabited by unchanging. Linnaeus adopted a nested classification system, grouping similar species into increasingly general category. Uniformitarianism: mechanism of change are constant over time. Experinments show that traits acquired by use during an individuals life are. Darwin attributed the unity of life to the decent of all organisms from an ancestor that lived in the past. Artificial selection, natural selection and adaptation: artificial selection is the process of selecting desirable traits in organisms and breeding them.