PSY_1_Evolution

PSY_1_Evolution - Evolution and Behavior Sir Charles Darwin...

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Unformatted text preview: Evolution and Behavior Sir Charles Darwin 1809-1882 Info About Darwin Darwins Main Contributions to Psychology Continuity of life forms Mental evolution Sexology Voyage Aboard H. M. S. Beagle 1831-1836 Info About Darwins The Voyage of the Beagle (1845) Thomas Malthus 1766-1834 Essay on the Principle Of Population (1798) Info About Malthus Malthuss Theory of Population Creatures Food Charles Lyell 1797-1875 Principles Of Geology (1830) Info About Lyell Adaptive Radiation: Darwins Finches Premises of Natural Selection Because resources are limited, organisms must necessarily battle for survival. Those organisms that possess favorable characteristics in that environment will reproduce more; i.e., they are fitter. Because of this differential reproduction, characteristics that are favorable in that environment will proliferate, whereas those that are unfavorable will decrease. Reliable trends in natural selection constitute evolution by natural selection . Natural Selection The differential reproductive success of individuals within a population because of hereditary differences among them. The Inspiration for Natural Selection: Artificial Selection by Humans Evolution by Natural Selection Assumes: Differences among organisms ( variability of traits ); traits can be structures or behavior. Selection pressure(s) A mechanism of inheritance Lamarckism (use-inheritance) for Darwin Genetics after Darwin Evolution by Natural Selection: Is random and contains no internal momentum.Is random and contains no internal momentum....
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PSY_1_Evolution - Evolution and Behavior Sir Charles Darwin...

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