Chapter 53

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Biological Sciences
Kamini Persaud

Ethology is the study of animal behavior from an evolutionary perspective Proximate mechanisms were used to answer how behavior patterns were performed Ultimate causes of behavior were used to answer why behavior patterns were performed Experiments were conducted to distinguish between genetic and environmental influences on behavior In a deprivation experiment they teased apart what behavior is genetically coded for versus what behavior is learned from the environment. If the animal is deprived of environmental influences and still exhibits the behavior then its genetically coded. Selective breeding is a means of genetic manipulation and is used to select for anatomical traits and behavior. It provides insights about the effect genetic constitution has on behavior Interbreeding demonstrated that the stereotypic motor patterns of the courtship displays are inherited. Gene knockout experiments determined that thr
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