Glossary E

Evolution refers to a change in the frequency of genes in a population over time.

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Evolutionary adaptation is defined as an inherited physical or bahavioral trait that has been shaped through natural selection.

Evolutionary approach refers to a view that emphasizes the inherited, adaptive aspects of Behavior and mental processes.

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Evolutionary ecology refers to approach to understanding crime that draws attention to the ways people develop over the course of their lives.

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Evolutionary explanations means understanding in terms of the evolutionary history of a species

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Evolutionary psychology refers to the study of the evolution of behavior using principles of natural selection.

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Evolutionary theory is a theory that incorporates both evolution and sociology and looks for trends in behaviors. Evolutionary theory also refers to the theory of sexuality asserting that the sex drive has been shaped by natural selection and that its forms thus tend to be innate.

- Ewald Hering (1834-1918) : Ewald Hering offered a nativistic explanation of Space perception and a Theory of color vision based on the existence of three color receptors, each capable of a catabolic process and an anabolic process. Hering's theory of color vision could explain a number of color experiences that Helmholtz's theory could not.