Biology | Definition, History, Concepts, Branches, & Facts
Oct 21, 2024 · Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology. Why is biology important?
Biology and its branches | Britannica
An extremely broad subject, biology is divided into branches. The current approach is based on the levels of biological organization involved (e.g., molecules, cells, individuals, populations) and on the specific topic under investigation (e.g., structure and function, growth and development).
Biology - Evolution, Genetics, Classification | Britannica
Oct 21, 2024 · Although it is not known when the study of biology originated, early humans must have had some knowledge of the animals and plants around them. Human survival depended upon the accurate recognition of nonpoisonous food plants and upon an understanding of the habits of dangerous predators.
Biophysics | Molecular Biology, Physics & Chemistry
Biophysics, discipline concerned with the application of the principles and methods of physics and the other physical sciences to the solution of biological problems. The relatively recent emergence of biophysics as a scientific discipline may be attributed, in particular, to the spectacular.
Molecular biology | Description, Techniques, & Facts
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 DNA, RNA, and proteins and their interactions.
Genetics | History, Biology, Timeline, & Facts | Britannica
Oct 30, 2024 · Genetics, study of heredity in general and of genes in particular. 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 …
Why is biology important? | Britannica - Encyclopedia …
As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, biotechnology, and many other areas of biology have brought improvements in the quality of life.
When to Capitalize School Subjects | Britannica Dictionary
Capitalize course titles such as History of the French Revolution and Childhood Psychology. The following example sentences show when to capitalize a school subject, and when not to. I'm taking algebra this semester. He had always hated biology and chemistry. He decided to take two philosophy classes his senior year.
Biotechnology | Definition, Examples, & Applications
Oct 8, 2024 · Biotechnology, the use of biology to solve problems and make useful products. The most prominent area of biotechnology is the production of therapeutic proteins and other drugs through genetic engineering. Learn more about the development and applications of biotechnology in this article.
Physics | Definition, Types, Topics, Importance, & Facts
Nov 5, 2024 · Physics, science that deals with the structure of matter and the interactions between the fundamental constituents of the observable universe. Its scope of study encompasses not only the behavior of objects under the action of forces but also gravitational, electromagnetic, and nuclear force fields.