About 30,400 results
Open links in new tab
  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 …

  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 …

  3. 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 …

  4. Microevolution – Definition, Causes, Examples - Biology Notes …

    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, …

  5. Microevolution - New World Encyclopedia

    Microevolution refers to evolution that occurs at or below the level of species, such as a change in the gene frequency of a population of organisms or the process by which new species are …

  6. Microevolution | CK-12 Foundation

    Jan 1, 2026 · Evolutionary change that occurs over relatively short periods of time within populations is called microevolution. The science that focuses on evolution within populations …

  7. Defining microevolution - Understanding Evolution

    It is a group of organisms that interbreed with each other — that is, they all share a gene pool. So for our species of beetle, that might be a group of individuals that all live on a particular …

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

    May 30, 2017 · In contrast to macroevolution, microevolution can be observed and measured in short periods of time, even within a single generation; macroevolution refers to the large-scale …

  9. What is microevolution in biology? - California Learning Resource …

    Jan 5, 2025 · Microevolution is a fundamental concept in biology that refers to the small-scale changes that occur within a species or population over a short period of time.

  10. Microevolution Study Guide | CK-12 Foundation

    Microevolution is the evolution of one population or one species over a short period of time. We can study microevolution by observing the traits of various organisms within a species and …