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  1. Microevolution - Wikipedia

    Microevolution is the change in allele frequencies that occurs over time within a population. [1] This change is due to four different processes: mutation, selection (natural and artificial), gene flow and …

  2. What is microevolution? - Understanding Evolution

    What is microevolution? Microevolution is simply a change in gene frequency within a population. Evolution at this scale can be observed over short periods of time — for example, between one …

  3. What Is Microevolution? The Forces That Drive It

    Nov 6, 2025 · Microevolution is the study of evolutionary changes occurring on the smallest possible scale: within a single population or species over a short duration. It is defined by a change in the …

  4. Microevolution: Definition, Examples, Quiz | Biology Dictionary

    May 30, 2017 · Microevolution Definition Microevolution is defined as changes in allele frequency that can be observed within a population.

  5. What Is Microevolution? Definition, Forces, and Examples

    Jul 23, 2025 · Microevolution refers to the changes in the frequency of specific gene versions, known as alleles, within a single population over generations. These shifts represent evolution occurring on a …

  6. Microevolution: Definition, Process, Micro Vs Macro & Examples

    Jun 24, 2019 · Microevolution refers to a small scale evolutionary process by which the gene pool of a population is changed over a short period, usually as a result of natural selection.

  7. Microevolution – Definition, Causes, Examples - Biology Notes Online

    Mar 28, 2024 · Microevolution refers to small-scale changes in allele frequencies within a population over a relatively short period of time, driven by mechanisms such as mutation, selection, gene flow, …

  8. Microevolution - New World Encyclopedia

    Microevolution refers to the small heritable changes that occur within a population or species. Microevolution has been observed in both the laboratory and the field.

  9. Microevolution in a species | The Smithsonian Institution's Human ...

    Jan 11, 2021 · Evolution can be studied at two levels: macroevolution, or species evolving into new species, and microevolution, which involves smaller changes within a species over time. …

  10. MICROEVOLUTION Definition & Meaning - Merriam-Webster

    The meaning of MICROEVOLUTION is comparatively minor evolutionary change involving the accumulation of variations in populations usually below the species level.