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Evolutionary theory.docx

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Department
Anthropology
Course
ANTH 1131
Professor
D.Sandgathe
Semester
Summer

Description
Evolutionary theory - Fundamental Premises of Natural Selection 1. More offspring are produced by a species than can be supported by naturally available food sources. 2. Within any one species there exists a significant amount of biological variability. a. Individual species will not have the same as another 3. Since only a portion of all offspring can survive to reproduce, those with advantageous traits will have an edge over other members of their species a. Not all members of the species will be biologically the same, some may have adapted to better survive b. Ex., deers that can run faster away from the predator have a greater chance of surviving c. Ex., flowers with a greater smell, can increase its chance of getting pollinated d. Ex., eagle with better eyesight will tend be able to find more prey and beat out other eagle 4. …those individuals that have any traits that
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