Common
Evolutionary pressure
Any cause that reduces reproductive success in a proportion of a population
Evolutionary pressure
Evolutionary pressure, selective pressure or selection pressure is any influence exerted on organisms by environmental factors that increase or decrease the reproductive success among portions of their population, thus driving various species' natural selection and evolution. It is a quantitative description of the amount of change occurring in processes investigated by evolutionary biology, but the formal concept is often extended to other areas of research. In population genetics, selective pressure is usually expressed as a selection coefficient.
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