Respuesta :
Favorable traits that increase in frequency over time is a product of natural selection. Natural selection allows the natural flow of evolution where the traits that are more convenient for the specie to have in order to survive is frequently manifested throughout the generations. While on the other hand, the trait that is inconvenient and is useless is diminished.
Natural selection is the process of species evolution through which organisms that are better adapted to the environment leave more offspring than those that are less adapted. The theory of natural selection was formally formulated in 1858 by Charles Darwin. It is based on the observation that certain differences between individuals in a population are inheritable.
Darwin's theory offered a simple but compelling explanation for the variety of species on Earth. Because different regions have different conditions and different survival opportunities, different organisms are selected by natural selection as the most adapted to that particular environment.
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