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  1. Variation | Definition, Examples, & Facts | Britannica

    Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of …

  2. What is Variation - IGCSE Biology Revision Notes - Save My Exams

    Sep 25, 2024 · Find out about variation in biology through videos, graphs and key examples.

  3. What is variation in biology? - California Learning Resource …

    Jul 2, 2025 · In the context of biological systems, variation manifests as differences between individual organisms, populations, or species, observable across multiple levels of biological …

  4. Variation - Definition and Examples - Biology Online Dictionary

    Jun 17, 2022 · Variation refers to the differences or deviations from the recognized norm or standard. It may be a modification in structure, form or function in an organism, deviating from …

  5. Types of variation - Inheritance and genetics - KS3 Biology - BBC

    Key points Variation is the differences between individuals of the same species, caused by genetic and environmental factors.

  6. Genetic variation - Definition, Types, Causes, Examples - Biology

    Oct 15, 2025 · Inside populations, variation is mostly caused by mutations, recombination / crossing over (during meiosis), and sometimes by random assortment of chromosomes. It is …

  7. What Is Variation in Biology: Definition, Explanation

    Oct 31, 2023 · Variation, a fundamental concept in biology, pertains to the differences we observe among members of the same species or among different species. From subtle differences in …

  8. Genetic Variation - Education

    Oct 19, 2023 · Genetic variation is the presence of differences in sequences of genes between individual organisms of a species. It enables natural selection, one of the primary forces …

  9. Variation - Simple English Wikipedia, the free encyclopedia

    There are two main causes for variation: genetics and the environment. This is a variation in the DNA of individuals. It is heritable, which means it can be passed from parents to their children. …

  10. Define variation and its types (genetic, environmental)

    Variation encompasses the differences in physical traits, genetic makeup, and behaviors among individuals of the same species. These differences can manifest in morphology, physiology, …