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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype

Updated June 29, 2022
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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype essay

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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charles Darwin popularised the term “natural selection”, contrasting it with artificial selection, which is intentional, whereas natural selection is not.

Variation exists within all populations of organisms. This occurs partly because random mutations arise in the genome of an individual organism, and offspring can inherit such mutations. Throughout the lives of the individuals, their genomes interact with their environments to cause variations in traits. The environment of a genome includes the molecular biology in the cell, other cells, other individuals, populations, species, as well as the abiotic environment. Because individuals with certain variants of the trait tend to survive and reproduce more than individuals with other, less successful, variants, the population evolves.

Other factors affecting reproductive success include sexual selection (now often included in natural selection) and fecundity selection

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype essay

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Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. (2019, May 31). Retrieved from https://sunnypapers.com/natural-selection-is-the-differential-survival-and-reproduction-of-individuals-due-to-differences-in-phenotype/