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

    Sep 30, 2025 · Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, …

  2. Branches of Biology Portal | Britannica

    Louis Pasteur was a French chemist and microbiologist who was one of the most important founders of medical microbiology. Pasteur’s contributions to science, technology, and …

  3. Biology and its branches - Britannica

    An extremely broad subject, biology is divided into branches. The current approach is based on the levels of biological organization involved (e.g., molecules, cells, individuals, populations) …

  4. Physical science | Definition, History, & Topics | Britannica

    The physical sciences do not study living things (though the principles and methods of the physical sciences are used in biophysics to investigate biological phenomena).

  5. Evolution | Definition, History, Types, & Examples | Britannica

    3 days ago · Genetics, a science born in the 20th century, reveals in detail how natural selection works and led to the development of the modern theory of evolution.

  6. Biotechnology | Definition, Examples, & Applications | Britannica

    5 days ago · Modern biotechnology stands in contrast to older forms of “biotechnology,” which emerged thousands of years ago, when humans began to domesticate plants and animals. …

  7. Biochemistry | Definition, History, Examples, Importance, & Facts ...

    Oct 18, 2025 · The term biochemistry is synonymous with two somewhat older terms: physiological chemistry and biological chemistry. Those aspects of biochemistry that deal with …

  8. Fungus - Evolution, Phylogeny, Eukaryotes | Britannica

    Oct 17, 2025 · Reader in genetics at the School of Biological Sciences, University of Manchester, England. Author of Slayers, Saviors, Servants, and Sex: An Exposé of Kingdom Fungi.

  9. Anatomy | Definition, History, & Biology | Britannica

    Oct 10, 2025 · anatomy, a field in the biological sciences concerned with the identification and description of the body structures of living things. Gross anatomy involves the study of major …

  10. Biological psychology | Neuroscience, Behavior & Mental Health

    Biological psychology, the study of the physiological bases of behaviour. Biological psychology is concerned primarily with the relationship between psychological processes and the underlying …