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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 in Biology and Why Is It Important?

    Biological variation is a foundational concept in life science, referring to the differences observed within a species or population. This variation manifests across all levels of biological …

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

    Jul 2, 2025 · Variation, a cornerstone concept in biology, underpins the diversity of life and its capacity to adapt to ever-changing environments.

  4. 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 …

  5. What Is Variation in Science and Why Does It Matter?

    Nov 7, 2025 · Variation, in a scientific context, describes the differences or spread observed within any set of data or across a natural population. It acknowledges that no two measurements, …

  6. Variation - Variation - AQA - GCSE Biology (Single Science ... - BBC

    Revise how variation in species can be generated by genetics and environmental influences for GCSE Biology, AQA.

  7. Variation and Evolution - Revision Science

    In this guide, we will cover the key concepts of variation and evolution. These are crucial in understanding how species change over time and how life on Earth adapts to its environment.

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

    Sep 25, 2024 · Learn about variation for your IGCSE Biology exam. Find out about variation in biology through videos, graphs and key examples.

  9. 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 …

  10. Variation Definition - General Biology I Key Term | Fiveable

    Variation refers to the differences in genetic and phenotypic traits among individuals within a population. These differences are crucial for the process of natural selection and evolution. …