Rewrite Defition Of Microevolution And Macroevolution In At Least 100
Microevolution refers to small changes that occur within a single population over a short period of time, while macroevolution encompasses larger changes that span across species and happen over a longer period of time. These changes can lead to the formation of unique populations or even new species. While microevolution is driven by four main processes - mutation, gene flow, genetic drift, and natural selection - macroevolution is often attributed to the accumulation of microevolutionary changes. Evolutionary biologists distinguish between microevolution and macroevolution, with the former driving population growth and the latter encompassing significant evolutionary changes, such as the emergence of new types of organisms.
Microevolution refers to the small-scale changes that transpire within a single population over a relatively short period. These changes can encompass alterations in allele frequencies, gene mutations, or adaptations to the local environment. On the other hand, macroevolution involves the grander, long-term transformations that occur over extended periods and can result in the emergence of entirely new species. It encompasses major evolutionary developments, such as the emergence of new body plans or the diversification of life at the phylum level. While microevolution is concerned with changes within a species or population, macroevolution explores the evolutionary transitions at higher taxonomic levels, leading to the creation of novel species or groups.
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