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Biol 121- 2010.03.05- Evolution- The Theory of Evolution (Ch. 24).docx

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Department
Biology
Course
BIOL 121
Professor
Carol Pollock
Semester
Winter

Description
Biol 121 225 Freeman 481484Mar 5 10 Evolution 1 Ch 24 The Theory of Evolution Origin of Species Darwin 1859 Darwin said that all species have a distant common ancestor natural selectiona population of organisms changes over generations if they are inheriting certain genes that allow them to leave more offspring higher fitness Aristotle 300 BC all life is part of a ladder of life rocks plants lower animals higher animals humans God JudeoChristian concept Old Testament all species are created individually and are nonevolving in the 1700s natural theologystudy nature to classify things on the ladder of life Carolus Linnaeus 170778 wanted to classify everythingmade binomial nomenclature sought to discover order in the diversity of life did not imply relationships between species although other people that came after him would do so using his information Georges Cuvier 17691832 the first palaeontologist What he knew He knew thatfossils are relics of animalsplants etcnew layers of rock cover old ones and are compressed into strataerosionupheaval expose older strata What he found He found that each stratum has different fossils some species disappear from one strata to the next Charles Darwin 18091882 found that species from tropical regions of South America were more relate
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