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Biology is the scientific study of life. [1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [1] [2] [3] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future generations.
Jun 12, 2024 · Learn about the study of living things and their vital processes, from molecules to populations, and the basic principles and levels of biology. Explore the history, concepts, branches, and facts of biology with Britannica.
- Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, co...
- As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact...
- Biology graduates can hold a wide range of jobs, some of which may require additional education. A person with a degree in biology could work in ag...
Sep 19, 2022 · Learn about biology, the science of life, and its various sub-disciplines, such as anatomy, genetics, ecology and biotechnology. Explore the history of biology, from ancient times to modern discoveries, and the important topics and concepts in biology.
- Intro to biology. Welcome to biology! : Intro to biology The science of biology: Intro to biology Water and life: Intro to biology.
- Chemistry of life. Elements and atoms: Chemistry of life Electron shells and orbitals: Chemistry of life Chemical bonds and reactions: Chemistry of life.
- Water, acids, and bases. Hydrogen bonding in water: Water, acids, and bases Cohesion and adhesion: Water, acids, and bases Temperature and state changes in water: Water, acids, and bases.
- Properties of carbon. Carbon: Properties of carbon Hydrocarbon structures and functional groups: Properties of carbon.
Learn the basics of biology, from molecules and cells to evolution and natural selection, with this video and interactive questions. Explore the diversity and complexity of life on Earth and how it changes and adapts over time.
- 5 min
- Sal Khan
This unit is part of the Biology library. Browse videos, articles, and exercises by topic.