
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, …
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.
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 …
Reproduction | Definition, Examples, Types, Importance, & Facts ...
Nov 4, 2025 · Reproduction, process by which organisms replicate themselves. Reproduction is one of the most important concepts in biology: it means making a copy, a likeness, and thereby providing …
Biology - Evolution, Genetics, Microbiology | Britannica
Seventeenth-century advances in biology included the establishment of scientific societies for the dissemination of ideas and progress in the development of the microscope, through which scientists …
Genetics | History, Biology, Timeline, & Facts | Britannica
5 days ago · Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and biotechnology. Learn more about the history, biology, areas of …
History of science - Evolution, Genetics, Taxonomy | Britannica
History of science - Evolution, Genetics, Taxonomy: The study of living matter lagged far behind physics and chemistry, largely because organisms are so much more complex than inanimate bodies or forces.
Biology - Evolution, Genetics, Species | Britannica
Aug 22, 2025 · Qualitative and quantitative analyses in biology make use of a variety of techniques and approaches to identify and estimate levels of nucleic acids, proteins, carbohydrates, and other …
Definition, Examples, Levels, & Classification - Britannica
Dec 2, 2025 · What is taxonomy in biology? Why do scientists use taxonomy to classify living things? What are the main taxonomic ranks or groups? How do scientists name organisms using scientific …
Cell | Definition, Types, Functions, Diagram, Division, Theory, & Facts ...
Dec 1, 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, …