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

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

  2. Marine biology | Description & Facts | Britannica

    Marine biology, the science that deals with animals and plants that live in the sea. It also deals with airborne and terrestrial organisms that depend directly upon bodies of salt water for food …

  3. Molecular biology | Description, Techniques, & Facts | Britannica

    Molecular biology is a field of science concerned with studying the chemical structures and processes of biological phenomena involving molecules. In particular, researchers focus on …

  4. 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, …

  5. Biology - Aristotle, Organisms, Cells | Britannica

    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, …

  6. 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, …

  7. Biology - Origin, Evolution, Life | Britannica

    Biology - Origin, Evolution, Life: If a species can develop only from a preexisting species, then how did life originate?

  8. Ecological succession | Definition & Facts | Britannica

    Professor, Department of Ecology and Evolutionary Biology, and Director, STEPS Institute for Innovation in Environmental Research, University of California, Santa Cruz. Author of …

  9. Photosynthesis | Definition, Formula, Process, Diagram, Reactants ...

    Nov 30, 2025 · National Center for Biotechnology Information - PubMed Central - Photosynthesis: basics, history and modelling BCcampus Open Publishing - Concepts of Biology � 1st …

  10. biology - Students | Britannica Kids | Homework Help

    The scientific study of living things is called biology. Biologists strive to understand the natural world and its living inhabitants—plants, animals, fungi, protozoa, algae,…