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Chapter 22

BIL 160 Chapter Notes - Chapter 22: Great Chain Of Being, Carl Linnaeus, Georges Cuvier


Department
Biology
Course Code
BIL 160
Professor
Daniel DiResta
Chapter
22

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!"#$%&'())(*(Descent with Modification: A Darwinian View of Life!
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The striking ways in which organisms are suited for life in their
environments
The many shared characteristics (unity) of life
The rich diversity of life
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Evolution-*descent!with!modification7(=#'%">0(0$&;2&0(#'&(:&0;&3:#3%0(.6(#3;&0%'#5(
0$&;2&0(%"#%(9&'&(:266&'&3%(6'.?($'&0&3%*:#-(0$&;2&0@((
Evolution can be defined as a change in the genetic composition of
a population from generation to generation.
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The pattern of evolutionary change is revealed by data from many
scientific disciplines, including biology, geology, physics, and
chemistry. These data are facts- they are observations about the
natural world.
The process of evolution consists of mechanisms that produce the
observed pattern of change. These mechanisms represent natural
cause of the natural phenomena we observe.
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CONCEPT*22.1-*The!Darwinian!revolution!challenged!traditional!views!of!a!young!Earth!
inhabited!by!unchanging!species!(
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Aristotle(12&9&:(0$&;2&0(#0(62B&:(C43;"#3<23<D@((
Recognized certain “affinities” among organisms.
Concluded that life-forms could be arranged on a ladder, or scale,
of increasing complexity, later called the scala naturae.
Ideas were consistent with the Old Testament account of creation,
which holds that species were individually designed by God and
therefore perfect.
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