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

    Dec 5, 2025 · Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, …

  2. Biology Portal | Britannica

    The field of biology is subdivided into separate branches for convenience of study, though all the subdivisions share basic principles. Biology encompasses fields such as botany, genetics, marine …

  3. Biology and its branches | Britannica

    Species, in biology, classification comprising related organisms that share common characteristics and are capable of interbreeding. This biological species concept is widely used in biology and related …

  4. Biology - Evolution, Genetics, Classification | Britannica

    Dec 5, 2025 · Biology - Evolution, Genetics, Classification: There are moments in the history of all sciences when remarkable progress is made in relatively short periods of time.

  5. Cell | Definition, Types, Functions, Diagram, Division, Theory, & Facts ...

    Dec 10, 2025 · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, …

  6. Biology Definition & Meaning | Britannica Dictionary

    BIOLOGY meaning: 1 : a science that deals with things that are alive (such as plants and animals); 2 : the plant and animal life of a particular place

  7. Computational biology | Algorithms, Data Analysis & Modeling

    Computational biology, a branch of biology involving the application of computers and computer science to the understanding and modeling of the structures and processes of life.

  8. Branches of Biology Portal | Britannica

    The field of biology is subdivided into separate branches for convenience of study, though all the subdivisions share basic principles. Biology encompasses fields such as botany, genetics, marine …

  9. Biology - Aristotle, Organisms, Cells | Britannica

    Dec 5, 2025 · Biology - Aristotle, Organisms, Cells: Around the middle of the 4th century bce, ancient Greek science reached a climax with Aristotle, who was interested in all branches of knowledge, …

  10. Niche | Habitat, Species Interactions & Adaptations | Britannica

    CITE Feedback principle of competitive exclusion biology Also known as: Gause’s hypothesis, Gause’s principle, Grinne (Show More)