Chapter 20 (20.1-20.5) Study Notes

Chapter 20 - Chapter 20 Study Notes Darwin Fossils and Developmental Biology 20.1 Recognition of Evolutionary Change Aristotle Believed that

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Chapter 20 Study Notes Darwin, Fossils and Developmental Biology 20.1- Recognition of Evolutionary Change - Aristotle Believed that inanimate objects and living things had fixed characteristics. He studied their similarities and differences and created the Scala Natura , Great Chain of being; which classifies nature from simplest to most complex. (Minerals>Plants>Animals>Humans>God) - Biological research was dominated by natural theology , which sought to name and catalogues all of God’s creation. - Sir Francis Bacon established the importance of observation, experimentation and inductive reasoning. - George-Louis Leclerc, le Comte de Buffon, was puzzled by the existence of body parts with no apparent function; such as pigs’ feet that don’t touch the ground - George-Louis suggested that vestigial structures , the useless body parts observed today, must have functioned in ancestral organisms. - Georges Cuiver (a French zoologist), developed the Theory of Catastrophism , which states that each layer of fossils represents the
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This note was uploaded on 12/03/2011 for the course SCIENCE BIO1130 taught by Professor Fenwick during the Spring '11 term at University of Ottawa.

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Chapter 20 - Chapter 20 Study Notes Darwin Fossils and Developmental Biology 20.1 Recognition of Evolutionary Change Aristotle Believed that

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