ch.5 anthro notes

ch.5 anthro notes - Ch. 5: Evolution and Genetics...

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Ch. 5: Evolution and Genetics Creationism: theory that biological similarities and differences originated at the Creation characteristics of life forms were seen as immutable ( unchanging) Catastrophism: theory that fires, floods and other catastrophes (including Noah’s ark) had destroyed ancient species and after each destructive event, God created again, leading to contemporary species Evolution( transformism): belief that species arose from others through a long and gradual process of transformation, or descent with modification alternate view to creationism and catastrophism Uniformitarianism: states that the present is the key to the past. Explanations for past events should be sought in the long-term action of ordinary forces that still operate today natural forces (rainfall, soil deposition, earthquakes) gradually have built and modified geological features such as mountain ranges Natural Selection: the process by which the forms most fit to survive and reproduce in a given environment do so in greater numbers than others in the same population natural selection is more than survival of the fittest, but differential reproductive success Chromosomes: 2 ways chromosomes are rearranged: inversion: a piece of the chromosome hives off, turns around, and is reattached or: chromosomal rearrangement: a piece splits off and migrates to a different
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This note was uploaded on 02/09/2012 for the course ANTHRO 101 taught by Professor Staff during the Fall '09 term at Emory.

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ch.5 anthro notes - Ch. 5: Evolution and Genetics...

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