
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, …
Branches of Biology Portal | Britannica
Taxonomy, in a broad sense the science of classification, but more strictly the classification of living and extinct organisms—i.e., biological classification. The term is derived from the Greek taxis...
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 …
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.
Biophysics | Molecular Biology, Physics & Chemistry | Britannica
Biology, which may be viewed as a general subject pervading biophysical study, is evolving from a purely descriptive science into a discipline increasingly devoted to understanding the nature of the …
the sciences - Students | Britannica Kids | Homework Help
Biological science deals with the relationships between all living things, their environments, and the need to maintain certain conditions to preserve life. Despite their apparent differences, all of the biological …
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).
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 …
Science | Definition, Disciplines, & Facts | Britannica
Dec 27, 2025 · The biological sciences —such as biology and medicine —study the organic world of life and its processes. The social sciences study the social and cultural aspects of human behavior. …
Evolution | Definition, History, Types, & Examples | Britannica
Dec 31, 2025 · 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.