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  1. Biology - Wikipedia

    Biology is the scientific study of life and living organisms. It is a broad natural science that encompasses a wide range of fields and …

  2. Biology | Definition, History, Concepts, Branches, & Facts | Britannica

    Apr 28, 2026 · Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse …

  3. Biology archive | Science | Khan Academy

    Explore biology topics with Khan Academy, offering free resources to learn about cells, genetics, evolution, ecology, and more.

  4. What is Biology? - Live Science

    Feb 2, 2022 · Biology is the study of everything that is, or was once, alive — whether it's a plant, animal or microorganism.

  5. What is Biology? The Living Science of Life

    Aug 30, 2025 · The Living Science of Life Biology is the science of life, but it is also the story of life. It is a story written in DNA, …

  6. Biology | An Open Access Journal from MDPI

    Biology is an international, peer-reviewed, open access journal of biological sciences published semimonthly online by MDPI. The …

  7. Biology - Definition & Meaning, Examples, Branches and Principles

    May 26, 2022 · Biology is the branch of science that primarily deals with structure, function, growth, evolution, and distribution of …

  8. OpenStax

    OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our …

  9. iBiology | Free Biology Videos, Lectures, and Online Courses

    Learn from world class scientists with 600+ biology videos including lectures, talks, animations & professional development courses.

  10. Biology - New World Encyclopedia

    Biology is the "science of life." It is the study of living and once-living things, from submicroscopic structures in single-celled …